TY  - JOUR
AU  - Orlić, Jovana
AU  - Aničić-Urošević, Mira
AU  - Vergel, Konstantin
AU  - Zinicovscaia, Inga
AU  - Stojadinović, Sanja M.
AU  - Gržetić, Ivan
AU  - Ilijević, Konstantin
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5236
AB  - Conventionally used spectrometric techniques of inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma optical emission spectrometry (ICP-MS) usually involve time-consuming sample preparation procedure of a sample dissolution which requires the usage of aggressive and toxic chemicals. The need for suitable and sustainable analytical methods for direct multi-elemental analysis of plant samples has been increased in recent years. Spectrometric techniques for direct sample analysis, instrumental neutron activation analysis (INAA) and X-ray fluorescence (XRF) have been applied in environmental studies and various fields of screening tests. Nevertheless, these techniques are not commonly used for plant sample analysis and their performances need to be evaluated. This research aimed to assess how reliable non-destructive techniques are in the determination of elements in plants compared to conventionally used spectrometric techniques. A total of 49 plant samples of four conifer species (Pinus nigra, Abies alba, Taxus baccata and Larix decidua) were measured using two conventionally applied (ICP-MS, ICP-OES) and two non-destructive techniques (wavelength dispersive XRF (WD-XRF), INAA). The comparison was performed by investigation of relative ratios of concentrations and by correlation analysis. Moreover, precision of the techniques was examined and compared. The quality control included analysis of NIST pine needles certified reference material (1575a) using all examined techniques. Our results suggest that additional analytical and quality control steps are necessary for reaching the highest accuracy of multi-elemental analysis.
AB  - Конвенционално коришћене спектрометријске технике (ICP-OES, ICP-MS) обично подразумевају дуготрајну процедуру припреме узорка која захтева коришћење агресивних и токсичних хемикалија за минерализацију. У последњих неколико година расте потреба за погодним и одрживим аналитичким методама за директну мулти-елементарну анализу биљних узорака. Спектрометријске технике за директну анализу (INAA,  XRF) се већ примењују у еколошким истраживањима и у различитим пољима скрининг испитивања. Ипак, ове технике нису уобичајено коришћене за анализу биљака и њихове перформансе морају бити процењене. Циљ овог истраживања је био да се процени колико су недеструктивне технике поуздане код одређивања елемената у биљном материјалу, у односу на рутински коришћене спектрометријске технике. Укупно 49 узорака четири врсте четинара (Pinus nigra, Abies alba, Taxus baccata и Larix decidua) су анализиране помоћу две рутински коришћене (ICP-MS и ICP-OES) и две недеструктивне технике (WD-XRF и INAA). Технике су упоређене испитивањем релативних односа концентрација и помоћу корелационе анализе. Поред тога, испитана је и упоређена прецизност техника. Програм контроле квалитета је обухватао анализу сертификованог референтног материјала, иглица бора (NIST 1575a) помоћу свих коришћених техника. Резултати нашег истраживања сугеришу да су неопходни додатни аналитички и кораци контроле квалитета како би се постигла максимална тачност мулти-елементарне анализе.
T2  - Journal of the Serbian Chemical Society
T1  - Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves)
T1  - Поређење недеструктивних и конвенционално коришћених спектометријских техника за одређивање елемената у биљном материјалу (иглице четинара)
VL  - 87
IS  - 1
SP  - 69
EP  - 81
DO  - 10.2298/JSC210921101O
ER  - 

@article{
author = "Orlić, Jovana and Aničić-Urošević, Mira and Vergel, Konstantin and Zinicovscaia, Inga and Stojadinović, Sanja M. and Gržetić, Ivan and Ilijević, Konstantin",
year = "2022",
abstract = "Conventionally used spectrometric techniques of inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma optical emission spectrometry (ICP-MS) usually involve time-consuming sample preparation procedure of a sample dissolution which requires the usage of aggressive and toxic chemicals. The need for suitable and sustainable analytical methods for direct multi-elemental analysis of plant samples has been increased in recent years. Spectrometric techniques for direct sample analysis, instrumental neutron activation analysis (INAA) and X-ray fluorescence (XRF) have been applied in environmental studies and various fields of screening tests. Nevertheless, these techniques are not commonly used for plant sample analysis and their performances need to be evaluated. This research aimed to assess how reliable non-destructive techniques are in the determination of elements in plants compared to conventionally used spectrometric techniques. A total of 49 plant samples of four conifer species (Pinus nigra, Abies alba, Taxus baccata and Larix decidua) were measured using two conventionally applied (ICP-MS, ICP-OES) and two non-destructive techniques (wavelength dispersive XRF (WD-XRF), INAA). The comparison was performed by investigation of relative ratios of concentrations and by correlation analysis. Moreover, precision of the techniques was examined and compared. The quality control included analysis of NIST pine needles certified reference material (1575a) using all examined techniques. Our results suggest that additional analytical and quality control steps are necessary for reaching the highest accuracy of multi-elemental analysis., Конвенционално коришћене спектрометријске технике (ICP-OES, ICP-MS) обично подразумевају дуготрајну процедуру припреме узорка која захтева коришћење агресивних и токсичних хемикалија за минерализацију. У последњих неколико година расте потреба за погодним и одрживим аналитичким методама за директну мулти-елементарну анализу биљних узорака. Спектрометријске технике за директну анализу (INAA,  XRF) се већ примењују у еколошким истраживањима и у различитим пољима скрининг испитивања. Ипак, ове технике нису уобичајено коришћене за анализу биљака и њихове перформансе морају бити процењене. Циљ овог истраживања је био да се процени колико су недеструктивне технике поуздане код одређивања елемената у биљном материјалу, у односу на рутински коришћене спектрометријске технике. Укупно 49 узорака четири врсте четинара (Pinus nigra, Abies alba, Taxus baccata и Larix decidua) су анализиране помоћу две рутински коришћене (ICP-MS и ICP-OES) и две недеструктивне технике (WD-XRF и INAA). Технике су упоређене испитивањем релативних односа концентрација и помоћу корелационе анализе. Поред тога, испитана је и упоређена прецизност техника. Програм контроле квалитета је обухватао анализу сертификованог референтног материјала, иглица бора (NIST 1575a) помоћу свих коришћених техника. Резултати нашег истраживања сугеришу да су неопходни додатни аналитички и кораци контроле квалитета како би се постигла максимална тачност мулти-елементарне анализе.",
journal = "Journal of the Serbian Chemical Society",
title = "Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves), Поређење недеструктивних и конвенционално коришћених спектометријских техника за одређивање елемената у биљном материјалу (иглице четинара)",
volume = "87",
number = "1",
pages = "69-81",
doi = "10.2298/JSC210921101O"
}

Orlić, J., Aničić-Urošević, M., Vergel, K., Zinicovscaia, I., Stojadinović, S. M., Gržetić, I.,& Ilijević, K.. (2022). Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves). in Journal of the Serbian Chemical Society, 87(1), 69-81.
https://doi.org/10.2298/JSC210921101O

Orlić J, Aničić-Urošević M, Vergel K, Zinicovscaia I, Stojadinović SM, Gržetić I, Ilijević K. Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves). in Journal of the Serbian Chemical Society. 2022;87(1):69-81.
doi:10.2298/JSC210921101O .

Orlić, Jovana, Aničić-Urošević, Mira, Vergel, Konstantin, Zinicovscaia, Inga, Stojadinović, Sanja M., Gržetić, Ivan, Ilijević, Konstantin, "Comparison of non-destructive techniques and conventionally used spectrometric techniques for determination of elements in plant samples (coniferous leaves)" in Journal of the Serbian Chemical Society, 87, no. 1 (2022):69-81,
https://doi.org/10.2298/JSC210921101O . .

TY  - JOUR
AU  - Ilić, Irena
AU  - Milutinović Nikolić, Aleksandra
AU  - Mojović, Zorica
AU  - Vuković, Zorica
AU  - Vulić, Predrag
AU  - Gržetić, Ivan
AU  - Banković, Predrag
AU  - Jović-Jovičić, Nataša
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3605
AB  - The goal of this work was the synthesis of a montmorillonite based catalyst for advanced oxidative degradation of organic water pollutants. Montmorillonite (Mt) –rich bentonite was acid-activated (MtA), and impregnated with cobalt (II) solution using the incipient wetness impregnation method. The impregnation was followed by heat treatment. Cobalt(II) ions were added in the quantities corresponding to 0.5 and 1.0 of the cation exchange capacity value. All samples were characterized by using chemical analysis, X-ray powder diffraction (XRPD), Electron paramagnetic resonance (EPR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM) coupled with Energy-dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM) and
low temperature N2 physisorption. The incorporation of the cobalt in the impregnated samples and the development of porous structure in the acid-activated ones were confirmed. The montmorillonite (Mt) was used as a catalyst support, while the cobalt in its oxide form was responsible for the generation of sulfo-radicals from Oxone®. Two aromatic N-compounds were tested as model pollutants: diazo dye - Acid Orange 10 (AO10) and nicotine. It was found that the synthesized catalysts could be used for the degradation of both pollutants, although more efficiently in AO10 degradation. The acid activation, higher cobalt loading, and temperature were found to be beneficial for the degradation of AO10.
PB  - Elsevier
T2  - Applied Clay Science
T1  - Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts
VL  - 193
IS  - 105668
DO  - 10.1016/j.clay.2020.105668
ER  - 

@article{
author = "Ilić, Irena and Milutinović Nikolić, Aleksandra and Mojović, Zorica and Vuković, Zorica and Vulić, Predrag and Gržetić, Ivan and Banković, Predrag and Jović-Jovičić, Nataša",
year = "2020",
abstract = "The goal of this work was the synthesis of a montmorillonite based catalyst for advanced oxidative degradation of organic water pollutants. Montmorillonite (Mt) –rich bentonite was acid-activated (MtA), and impregnated with cobalt (II) solution using the incipient wetness impregnation method. The impregnation was followed by heat treatment. Cobalt(II) ions were added in the quantities corresponding to 0.5 and 1.0 of the cation exchange capacity value. All samples were characterized by using chemical analysis, X-ray powder diffraction (XRPD), Electron paramagnetic resonance (EPR), X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM) coupled with Energy-dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM) and
low temperature N2 physisorption. The incorporation of the cobalt in the impregnated samples and the development of porous structure in the acid-activated ones were confirmed. The montmorillonite (Mt) was used as a catalyst support, while the cobalt in its oxide form was responsible for the generation of sulfo-radicals from Oxone®. Two aromatic N-compounds were tested as model pollutants: diazo dye - Acid Orange 10 (AO10) and nicotine. It was found that the synthesized catalysts could be used for the degradation of both pollutants, although more efficiently in AO10 degradation. The acid activation, higher cobalt loading, and temperature were found to be beneficial for the degradation of AO10.",
publisher = "Elsevier",
journal = "Applied Clay Science",
title = "Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts",
volume = "193",
number = "105668",
doi = "10.1016/j.clay.2020.105668"
}

Ilić, I., Milutinović Nikolić, A., Mojović, Z., Vuković, Z., Vulić, P., Gržetić, I., Banković, P.,& Jović-Jovičić, N.. (2020). Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts. in Applied Clay Science
Elsevier., 193(105668).
https://doi.org/10.1016/j.clay.2020.105668

Ilić I, Milutinović Nikolić A, Mojović Z, Vuković Z, Vulić P, Gržetić I, Banković P, Jović-Jovičić N. Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts. in Applied Clay Science. 2020;193(105668).
doi:10.1016/j.clay.2020.105668 .

Ilić, Irena, Milutinović Nikolić, Aleksandra, Mojović, Zorica, Vuković, Zorica, Vulić, Predrag, Gržetić, Ivan, Banković, Predrag, Jović-Jovičić, Nataša, "Oxidative degradation of aromatic N-compounds using cobalt containing montmorillonite-based catalysts" in Applied Clay Science, 193, no. 105668 (2020),
https://doi.org/10.1016/j.clay.2020.105668 . .

TY  - JOUR
AU  - Životić, Dragana
AU  - Cvetković, Olga
AU  - Vulić, Predrag J.
AU  - Gržetić, Ivan
AU  - Simić, Vladimir
AU  - Ilijević, Konstantin
AU  - Dojčinović, Biljana
AU  - Erić, Suzana
AU  - Radić, Bogdan
AU  - Stojadinović, Sanja
AU  - Trifunović, Snežana S.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3353
AB  - A geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). The most abundant minerals in all lignite samples from the three coal seams are clays (illite/smectite), silicates (quartz, plagioclase), sulphates (gypsum/anhydrite) and carbonate (calcite). The other iron-rich minerals are sulphides, oxides and hydroxides (pyrite, mag-netite, haematite, and limonite). In general, mineral matter in the matrix coal consists of illite/ smectite and quartz, while xylite-rich coals, apart from illite/smectite, have a higher content of sulphates and Fe-oxide/hydroxide minerals. The lignite from the Kovin deposit is enriched in As, Cd, Co, Cr, Cu, Ga, Li, Mn, Mo, Ni, Pb, V, Zn, Gd, Tb, Er and Lu in comparison with the Clarke values for brown coals. The statistical analysis of bulk compositional data shows inorganic affinity for the majority of the major and trace elements and possible association with pyrite, illite/ smectite and calcite.
PB  - Institut za Geoloska Istrazivanja
T2  - Geologia Croatica
T1  - Distribution of major and trace elements in the Kovin lignite (Serbia)
VL  - 72
IS  - 1
SP  - 51
EP  - 79
DO  - 10.4154/gc.2019.06
ER  - 

@article{
author = "Životić, Dragana and Cvetković, Olga and Vulić, Predrag J. and Gržetić, Ivan and Simić, Vladimir and Ilijević, Konstantin and Dojčinović, Biljana and Erić, Suzana and Radić, Bogdan and Stojadinović, Sanja and Trifunović, Snežana S.",
year = "2019",
abstract = "A geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). The most abundant minerals in all lignite samples from the three coal seams are clays (illite/smectite), silicates (quartz, plagioclase), sulphates (gypsum/anhydrite) and carbonate (calcite). The other iron-rich minerals are sulphides, oxides and hydroxides (pyrite, mag-netite, haematite, and limonite). In general, mineral matter in the matrix coal consists of illite/ smectite and quartz, while xylite-rich coals, apart from illite/smectite, have a higher content of sulphates and Fe-oxide/hydroxide minerals. The lignite from the Kovin deposit is enriched in As, Cd, Co, Cr, Cu, Ga, Li, Mn, Mo, Ni, Pb, V, Zn, Gd, Tb, Er and Lu in comparison with the Clarke values for brown coals. The statistical analysis of bulk compositional data shows inorganic affinity for the majority of the major and trace elements and possible association with pyrite, illite/ smectite and calcite.",
publisher = "Institut za Geoloska Istrazivanja",
journal = "Geologia Croatica",
title = "Distribution of major and trace elements in the Kovin lignite (Serbia)",
volume = "72",
number = "1",
pages = "51-79",
doi = "10.4154/gc.2019.06"
}

Životić, D., Cvetković, O., Vulić, P. J., Gržetić, I., Simić, V., Ilijević, K., Dojčinović, B., Erić, S., Radić, B., Stojadinović, S.,& Trifunović, S. S.. (2019). Distribution of major and trace elements in the Kovin lignite (Serbia). in Geologia Croatica
Institut za Geoloska Istrazivanja., 72(1), 51-79.
https://doi.org/10.4154/gc.2019.06

Životić D, Cvetković O, Vulić PJ, Gržetić I, Simić V, Ilijević K, Dojčinović B, Erić S, Radić B, Stojadinović S, Trifunović SS. Distribution of major and trace elements in the Kovin lignite (Serbia). in Geologia Croatica. 2019;72(1):51-79.
doi:10.4154/gc.2019.06 .

Životić, Dragana, Cvetković, Olga, Vulić, Predrag J., Gržetić, Ivan, Simić, Vladimir, Ilijević, Konstantin, Dojčinović, Biljana, Erić, Suzana, Radić, Bogdan, Stojadinović, Sanja, Trifunović, Snežana S., "Distribution of major and trace elements in the Kovin lignite (Serbia)" in Geologia Croatica, 72, no. 1 (2019):51-79,
https://doi.org/10.4154/gc.2019.06 . .

TY  - CONF
AU  - Ilić, Irena
AU  - Milutinović Nikolić, Aleksandra
AU  - Gržetić, Ivan
AU  - Ajduković, Marija
AU  - Milovanović, Biljana
AU  - Mudrinić, Tihana
AU  - Jović-Jovičić, Nataša
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3841
AB  - Nicotine i.e. (S)-3-(1-methylpyrrolidin-2-yl) pyridine is an alkaloid present in significant quantities in tobacco leaves and can be found in wastewaters as an aftermath of tobacco manufacturing. Natural Wyoming originated montmorillonite (Wy-M) and acid modified montmorillonite (Wy-MA) were impregnated by wetness capillary method using Co(NO3)2 solution. The amount of introduced cobalt corresponded to cation exchange capacity of each sample. The samples were calcinated at 450°C during 6 hours and denoted as Co/Wy-M and Co/Wy-MA. These catalysts were used for nicotine degradation in the presence of Oxone® (2KHSO5∙KHSO4∙K2SO4). The changes in the chemical and phasecomposition of Wy-M, Wy-MA, Co/Wy-M and Co/Wy-MA were monitored using X-ray fluorescence (XRF) and X-ray diffraction (XRD), respectively.The powerful sulfate radicals for nicotine oxidation were generated by activation of Oxone® in the presence of transition metal cation (Co2+) incorporated into the catalysts structure. The process of nicotine oxidation was investigated at 30° C and 50 °C, while thenicotine concentration was monitored using a UV-Vis spectrophotometer at λmax=261 nm. The obtained results showed efficient degradation of stable nicotine molecule in heterogeneous Fenton-like reaction using cobalt impregnated natural and acid modified montmorillonite as catalysts.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of Abstracts - The Eight Serbian Ceramic Society Conference "Advanced Ceramics and Application", Belgrade
T1  - Cobalt impregnated natural and acid modified montmorilloniteas catalysts in heterogeneous catalytic oxidation of nicotine in the presence of Oxone®
SP  - 42
EP  - 43
UR  - https://hdl.handle.net/21.15107/rcub_cer_3841
ER  - 

@conference{
author = "Ilić, Irena and Milutinović Nikolić, Aleksandra and Gržetić, Ivan and Ajduković, Marija and Milovanović, Biljana and Mudrinić, Tihana and Jović-Jovičić, Nataša",
year = "2019",
abstract = "Nicotine i.e. (S)-3-(1-methylpyrrolidin-2-yl) pyridine is an alkaloid present in significant quantities in tobacco leaves and can be found in wastewaters as an aftermath of tobacco manufacturing. Natural Wyoming originated montmorillonite (Wy-M) and acid modified montmorillonite (Wy-MA) were impregnated by wetness capillary method using Co(NO3)2 solution. The amount of introduced cobalt corresponded to cation exchange capacity of each sample. The samples were calcinated at 450°C during 6 hours and denoted as Co/Wy-M and Co/Wy-MA. These catalysts were used for nicotine degradation in the presence of Oxone® (2KHSO5∙KHSO4∙K2SO4). The changes in the chemical and phasecomposition of Wy-M, Wy-MA, Co/Wy-M and Co/Wy-MA were monitored using X-ray fluorescence (XRF) and X-ray diffraction (XRD), respectively.The powerful sulfate radicals for nicotine oxidation were generated by activation of Oxone® in the presence of transition metal cation (Co2+) incorporated into the catalysts structure. The process of nicotine oxidation was investigated at 30° C and 50 °C, while thenicotine concentration was monitored using a UV-Vis spectrophotometer at λmax=261 nm. The obtained results showed efficient degradation of stable nicotine molecule in heterogeneous Fenton-like reaction using cobalt impregnated natural and acid modified montmorillonite as catalysts.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of Abstracts - The Eight Serbian Ceramic Society Conference "Advanced Ceramics and Application", Belgrade",
title = "Cobalt impregnated natural and acid modified montmorilloniteas catalysts in heterogeneous catalytic oxidation of nicotine in the presence of Oxone®",
pages = "42-43",
url = "https://hdl.handle.net/21.15107/rcub_cer_3841"
}

Ilić, I., Milutinović Nikolić, A., Gržetić, I., Ajduković, M., Milovanović, B., Mudrinić, T.,& Jović-Jovičić, N.. (2019). Cobalt impregnated natural and acid modified montmorilloniteas catalysts in heterogeneous catalytic oxidation of nicotine in the presence of Oxone®. in Program and the Book of Abstracts - The Eight Serbian Ceramic Society Conference "Advanced Ceramics and Application", Belgrade
Belgrade : Serbian Ceramic Society., 42-43.
https://hdl.handle.net/21.15107/rcub_cer_3841

Ilić I, Milutinović Nikolić A, Gržetić I, Ajduković M, Milovanović B, Mudrinić T, Jović-Jovičić N. Cobalt impregnated natural and acid modified montmorilloniteas catalysts in heterogeneous catalytic oxidation of nicotine in the presence of Oxone®. in Program and the Book of Abstracts - The Eight Serbian Ceramic Society Conference "Advanced Ceramics and Application", Belgrade. 2019;:42-43.
https://hdl.handle.net/21.15107/rcub_cer_3841 .

Ilić, Irena, Milutinović Nikolić, Aleksandra, Gržetić, Ivan, Ajduković, Marija, Milovanović, Biljana, Mudrinić, Tihana, Jović-Jovičić, Nataša, "Cobalt impregnated natural and acid modified montmorilloniteas catalysts in heterogeneous catalytic oxidation of nicotine in the presence of Oxone®" in Program and the Book of Abstracts - The Eight Serbian Ceramic Society Conference "Advanced Ceramics and Application", Belgrade (2019):42-43,
https://hdl.handle.net/21.15107/rcub_cer_3841 .

TY  - JOUR
AU  - Ilić, Irena
AU  - Jović-Jovičić, Nataša
AU  - Banković, Predrag
AU  - Mojović, Zorica
AU  - Lončarević, Davor
AU  - Gržetić, Ivan
AU  - Milutinović Nikolić, Aleksandra
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3460
AB  - Montmorillonite (Mt) and acid modified montmorillonite (MtA) were tested as
nicotine adsorbents. The samples were characterized using FT-IR spectroscopy and low
temperature nitrogen physisorption. Nicotine adsorption was performed with respect to
contact time, pH and initial nicotine concentration. The kinetics of adsorption obeyed the
pseudo-second-order kinetics. The optimal pH values for nicotine adsorption were 6 and 9 for
Mt and MtA, respectively. The isotherms related to adsorption on Mt at pH = 6 and 9 as well
as for MtA at pH=6 were best fitted with Sips isotherm model, while adsorption onto MtA at
pH=9 obeyed Langmuir isotherm model.
AB  - Монморијонит (Mt) и кисело модификован монморијонит (MtA) су испитани као адсорбенси никотина. Узорци су окарактерисани FT-IR спектроскопијом и нискотемпературном физисорпцијом азота. Адсорпција никотина испитивана је у зависности од времена контакта, pH и почетне концентрације никотина. Псеудодруги ред добро описује кинетику адсорпције. Оптимална pH вредност за адсорпцију никотина на Mt је 6 док је за MtA 9. Сипсов модел најбоље описује адсорпцију никотина на Mt на pH = 6 и 9 као и на MtA на pH = 6, док се aдсорпција на MtA на pH = 9 одвија по Лангмировом моделу.
PB  - International Institute for the Science of Sintering, Beograd
T2  - Science of sintering
T1  - Adsorption of nicotine from aqueous solutions on montmorillonite and acid – modified montmorillonite
VL  - 51
IS  - 1
SP  - 93
EP  - 100
DO  - 10.2298/SOS1901093I
ER  - 

@article{
author = "Ilić, Irena and Jović-Jovičić, Nataša and Banković, Predrag and Mojović, Zorica and Lončarević, Davor and Gržetić, Ivan and Milutinović Nikolić, Aleksandra",
year = "2019",
abstract = "Montmorillonite (Mt) and acid modified montmorillonite (MtA) were tested as
nicotine adsorbents. The samples were characterized using FT-IR spectroscopy and low
temperature nitrogen physisorption. Nicotine adsorption was performed with respect to
contact time, pH and initial nicotine concentration. The kinetics of adsorption obeyed the
pseudo-second-order kinetics. The optimal pH values for nicotine adsorption were 6 and 9 for
Mt and MtA, respectively. The isotherms related to adsorption on Mt at pH = 6 and 9 as well
as for MtA at pH=6 were best fitted with Sips isotherm model, while adsorption onto MtA at
pH=9 obeyed Langmuir isotherm model., Монморијонит (Mt) и кисело модификован монморијонит (MtA) су испитани као адсорбенси никотина. Узорци су окарактерисани FT-IR спектроскопијом и нискотемпературном физисорпцијом азота. Адсорпција никотина испитивана је у зависности од времена контакта, pH и почетне концентрације никотина. Псеудодруги ред добро описује кинетику адсорпције. Оптимална pH вредност за адсорпцију никотина на Mt је 6 док је за MtA 9. Сипсов модел најбоље описује адсорпцију никотина на Mt на pH = 6 и 9 као и на MtA на pH = 6, док се aдсорпција на MtA на pH = 9 одвија по Лангмировом моделу.",
publisher = "International Institute for the Science of Sintering, Beograd",
journal = "Science of sintering",
title = "Adsorption of nicotine from aqueous solutions on montmorillonite and acid – modified montmorillonite",
volume = "51",
number = "1",
pages = "93-100",
doi = "10.2298/SOS1901093I"
}

Ilić, I., Jović-Jovičić, N., Banković, P., Mojović, Z., Lončarević, D., Gržetić, I.,& Milutinović Nikolić, A.. (2019). Adsorption of nicotine from aqueous solutions on montmorillonite and acid – modified montmorillonite. in Science of sintering
International Institute for the Science of Sintering, Beograd., 51(1), 93-100.
https://doi.org/10.2298/SOS1901093I

Ilić I, Jović-Jovičić N, Banković P, Mojović Z, Lončarević D, Gržetić I, Milutinović Nikolić A. Adsorption of nicotine from aqueous solutions on montmorillonite and acid – modified montmorillonite. in Science of sintering. 2019;51(1):93-100.
doi:10.2298/SOS1901093I .

Ilić, Irena, Jović-Jovičić, Nataša, Banković, Predrag, Mojović, Zorica, Lončarević, Davor, Gržetić, Ivan, Milutinović Nikolić, Aleksandra, "Adsorption of nicotine from aqueous solutions on montmorillonite and acid – modified montmorillonite" in Science of sintering, 51, no. 1 (2019):93-100,
https://doi.org/10.2298/SOS1901093I . .

TY  - CONF
AU  - Ilić, Irena
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Gržetić, Ivan
AU  - Ajduković, Marija
AU  - Mudrinić, Tihana
AU  - Jović-Jovičić, Nataša
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6726
AB  - The starting clay from Bogovina (Serbia) rich in smectite was submitted to acid modificattion in order to improve textural properties. The acid modified sample was further impregnated with cobalt using 1 mol dm-3 solution of Co(NO3)2 followed by calcination at 450°C during 6 hours and used as heterogeneous catalyst. It was reported that sulfate radicals have high oxidattion potential and should be considered as efficient oxidants. The potassium peroxymonosulfate (Oxone® i.e. 2KHSO5∙KHSO4∙K2SO4) was used as radical source. Radicals were generated by presence of transition metal cation (Co2+) incorporated into smectite structure of the synthesized catalyst. The obtained catalyst was investigated in decolorization of azo dye Acid Orange 10 (AO10) in the presence of Oxone® at 30 and 50 °C. Kinetic of catalytic process was studied up to 4h. The AO10 concentration monitored using UV–Vis spectrophotometry, lmax=478 nm. The obtained results monfirmed that cobalt impregnated acid modified smectite can be successfully applied as catalyst in heterogenous Fenton-like reaction of azo dye and corresponding aromatic amines.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application VII, "New Frontiers in Multifunctional Material Science and Processing", Sep 17th - Oct 19th, 2018, Belgrade, Serbia
T1  - Cobalt impregnated acid modified smectite in heterogeneous catalytic oxidation of azo dye using Oxone®
SP  - 75
EP  - 76
UR  - https://hdl.handle.net/21.15107/rcub_cer_6726
ER  - 

@conference{
author = "Ilić, Irena and Milutinović Nikolić, Aleksandra and Banković, Predrag and Gržetić, Ivan and Ajduković, Marija and Mudrinić, Tihana and Jović-Jovičić, Nataša",
year = "2018",
abstract = "The starting clay from Bogovina (Serbia) rich in smectite was submitted to acid modificattion in order to improve textural properties. The acid modified sample was further impregnated with cobalt using 1 mol dm-3 solution of Co(NO3)2 followed by calcination at 450°C during 6 hours and used as heterogeneous catalyst. It was reported that sulfate radicals have high oxidattion potential and should be considered as efficient oxidants. The potassium peroxymonosulfate (Oxone® i.e. 2KHSO5∙KHSO4∙K2SO4) was used as radical source. Radicals were generated by presence of transition metal cation (Co2+) incorporated into smectite structure of the synthesized catalyst. The obtained catalyst was investigated in decolorization of azo dye Acid Orange 10 (AO10) in the presence of Oxone® at 30 and 50 °C. Kinetic of catalytic process was studied up to 4h. The AO10 concentration monitored using UV–Vis spectrophotometry, lmax=478 nm. The obtained results monfirmed that cobalt impregnated acid modified smectite can be successfully applied as catalyst in heterogenous Fenton-like reaction of azo dye and corresponding aromatic amines.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application VII, "New Frontiers in Multifunctional Material Science and Processing", Sep 17th - Oct 19th, 2018, Belgrade, Serbia",
title = "Cobalt impregnated acid modified smectite in heterogeneous catalytic oxidation of azo dye using Oxone®",
pages = "75-76",
url = "https://hdl.handle.net/21.15107/rcub_cer_6726"
}

Ilić, I., Milutinović Nikolić, A., Banković, P., Gržetić, I., Ajduković, M., Mudrinić, T.,& Jović-Jovičić, N.. (2018). Cobalt impregnated acid modified smectite in heterogeneous catalytic oxidation of azo dye using Oxone®. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application VII, "New Frontiers in Multifunctional Material Science and Processing", Sep 17th - Oct 19th, 2018, Belgrade, Serbia
Serbian Ceramic Society., 75-76.
https://hdl.handle.net/21.15107/rcub_cer_6726

Ilić I, Milutinović Nikolić A, Banković P, Gržetić I, Ajduković M, Mudrinić T, Jović-Jovičić N. Cobalt impregnated acid modified smectite in heterogeneous catalytic oxidation of azo dye using Oxone®. in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application VII, "New Frontiers in Multifunctional Material Science and Processing", Sep 17th - Oct 19th, 2018, Belgrade, Serbia. 2018;:75-76.
https://hdl.handle.net/21.15107/rcub_cer_6726 .

Ilić, Irena, Milutinović Nikolić, Aleksandra, Banković, Predrag, Gržetić, Ivan, Ajduković, Marija, Mudrinić, Tihana, Jović-Jovičić, Nataša, "Cobalt impregnated acid modified smectite in heterogeneous catalytic oxidation of azo dye using Oxone®" in Program and the book of abstracts - Serbian Ceramic Society Conference – Advanced Ceramics and Application VII, "New Frontiers in Multifunctional Material Science and Processing", Sep 17th - Oct 19th, 2018, Belgrade, Serbia (2018):75-76,
https://hdl.handle.net/21.15107/rcub_cer_6726 .

TY  - JOUR
AU  - Pavlović, Dragana
AU  - Pavlović, Marija
AU  - Čakmak, Dragan
AU  - Kostić, Olga
AU  - Jaric, Snezana
AU  - Sakan, Sanja
AU  - Đorđević, Dragana
AU  - Mitrovic, Miroslava
AU  - Gržetić, Ivan
AU  - Pavlović, Pavle
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2433
AB  - The main soil properties, concentrations of selected elements (As, Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn), and the chemical speciation of each element were determined in urban soil samples taken from urban parks in four Serbian cities (Belgrade, Panevo, Obrenovac, and Smederevo) exposed to different sources of pollution. Pollution indices (PI, PIN) and factors (MF, ICF, GCF) also were evaluated. The study revealed As and Cd concentrations below the detection limit, whereas the content of Cr, Cu, Fe, Mn, Ni, Pb, and Zn at some sites exceeded the limits established by local regulations, as well as the background values, which may represent an environmental threat. Sequential extraction results show that Fe, Cr, Cu, and Ni were predominantly in the residual fraction at most sites; however, Ni from Panevo and Smederevo also was bound to the reducible fraction. The presence of Pb at all sites and Zn in Smederevo and Belgrade was mainly associated with the reducible and residual fractions. The highest Mn content was found in the reducible fraction, followed by the acid soluble/exchangeable and residual fractions. Based on the obtained indices and factors, the overall soil status at the selected sampling sites was found to range from the warning limit to slightly polluted, whereby Smederevo had the highest risk, and Panevo and the control site the lowest risk of contamination by toxic metals.
PB  - Springer, New York
T2  - Archives of Environmental Contamination and Toxicology
T1  - Fractionation, Mobility, and Contamination Assessment of Potentially Toxic Metals in Urban Soils in Four Industrial Serbian Cities
VL  - 75
IS  - 3
SP  - 335
EP  - 350
DO  - 10.1007/s00244-018-0518-x
ER  - 

@article{
author = "Pavlović, Dragana and Pavlović, Marija and Čakmak, Dragan and Kostić, Olga and Jaric, Snezana and Sakan, Sanja and Đorđević, Dragana and Mitrovic, Miroslava and Gržetić, Ivan and Pavlović, Pavle",
year = "2018",
abstract = "The main soil properties, concentrations of selected elements (As, Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn), and the chemical speciation of each element were determined in urban soil samples taken from urban parks in four Serbian cities (Belgrade, Panevo, Obrenovac, and Smederevo) exposed to different sources of pollution. Pollution indices (PI, PIN) and factors (MF, ICF, GCF) also were evaluated. The study revealed As and Cd concentrations below the detection limit, whereas the content of Cr, Cu, Fe, Mn, Ni, Pb, and Zn at some sites exceeded the limits established by local regulations, as well as the background values, which may represent an environmental threat. Sequential extraction results show that Fe, Cr, Cu, and Ni were predominantly in the residual fraction at most sites; however, Ni from Panevo and Smederevo also was bound to the reducible fraction. The presence of Pb at all sites and Zn in Smederevo and Belgrade was mainly associated with the reducible and residual fractions. The highest Mn content was found in the reducible fraction, followed by the acid soluble/exchangeable and residual fractions. Based on the obtained indices and factors, the overall soil status at the selected sampling sites was found to range from the warning limit to slightly polluted, whereby Smederevo had the highest risk, and Panevo and the control site the lowest risk of contamination by toxic metals.",
publisher = "Springer, New York",
journal = "Archives of Environmental Contamination and Toxicology",
title = "Fractionation, Mobility, and Contamination Assessment of Potentially Toxic Metals in Urban Soils in Four Industrial Serbian Cities",
volume = "75",
number = "3",
pages = "335-350",
doi = "10.1007/s00244-018-0518-x"
}

Pavlović, D., Pavlović, M., Čakmak, D., Kostić, O., Jaric, S., Sakan, S., Đorđević, D., Mitrovic, M., Gržetić, I.,& Pavlović, P.. (2018). Fractionation, Mobility, and Contamination Assessment of Potentially Toxic Metals in Urban Soils in Four Industrial Serbian Cities. in Archives of Environmental Contamination and Toxicology
Springer, New York., 75(3), 335-350.
https://doi.org/10.1007/s00244-018-0518-x

Pavlović D, Pavlović M, Čakmak D, Kostić O, Jaric S, Sakan S, Đorđević D, Mitrovic M, Gržetić I, Pavlović P. Fractionation, Mobility, and Contamination Assessment of Potentially Toxic Metals in Urban Soils in Four Industrial Serbian Cities. in Archives of Environmental Contamination and Toxicology. 2018;75(3):335-350.
doi:10.1007/s00244-018-0518-x .

Pavlović, Dragana, Pavlović, Marija, Čakmak, Dragan, Kostić, Olga, Jaric, Snezana, Sakan, Sanja, Đorđević, Dragana, Mitrovic, Miroslava, Gržetić, Ivan, Pavlović, Pavle, "Fractionation, Mobility, and Contamination Assessment of Potentially Toxic Metals in Urban Soils in Four Industrial Serbian Cities" in Archives of Environmental Contamination and Toxicology, 75, no. 3 (2018):335-350,
https://doi.org/10.1007/s00244-018-0518-x . .

TY  - JOUR
AU  - Vukelic, Gordana
AU  - Cvetković, Olga
AU  - Gržetić, Ivan
AU  - Simić, Miloš
AU  - Miodragovic, Zoran
AU  - Lazić, Lazar
AU  - Zarić, Miroljub
AU  - Pesic, Aleksandar
AU  - Vulić, Predrag
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2303
AB  - The aim of this work is to assess damage to the City of Belgrade caused by the unfavorable weather condition of hail due to the absence of anti-hail defense of the city, and to argumentatively point out the necessity of introducing new technical-technological systems for preventing the effects of adverse weather conditions. The results are based on the direct correlation-analyses of two real unfavorable weather events and the estimated financial damage caused by these events. The overall calculation also takes into account financial investments (new financial model) necessary to establish two essentially different systems for anti-hail protection. The damage caused by the hail on the territory of the City of Belgrade and the financial investment in anti-hail protection to reduce it are empirically established for the first time. It is shown how the damage could be transformed to profit, as the financial investment in anti-hail protection is lower than the damage that hail can cause.
PB  - MDPI
T2  - Sustainability
T1  - Anti-Hail Protection-Assessment of Financial Effects on the Territory of Belgrade
VL  - 10
IS  - 4
SP  - 1239
DO  - 10.3390/su10041239
ER  - 

@article{
author = "Vukelic, Gordana and Cvetković, Olga and Gržetić, Ivan and Simić, Miloš and Miodragovic, Zoran and Lazić, Lazar and Zarić, Miroljub and Pesic, Aleksandar and Vulić, Predrag",
year = "2018",
abstract = "The aim of this work is to assess damage to the City of Belgrade caused by the unfavorable weather condition of hail due to the absence of anti-hail defense of the city, and to argumentatively point out the necessity of introducing new technical-technological systems for preventing the effects of adverse weather conditions. The results are based on the direct correlation-analyses of two real unfavorable weather events and the estimated financial damage caused by these events. The overall calculation also takes into account financial investments (new financial model) necessary to establish two essentially different systems for anti-hail protection. The damage caused by the hail on the territory of the City of Belgrade and the financial investment in anti-hail protection to reduce it are empirically established for the first time. It is shown how the damage could be transformed to profit, as the financial investment in anti-hail protection is lower than the damage that hail can cause.",
publisher = "MDPI",
journal = "Sustainability",
title = "Anti-Hail Protection-Assessment of Financial Effects on the Territory of Belgrade",
volume = "10",
number = "4",
pages = "1239",
doi = "10.3390/su10041239"
}

Vukelic, G., Cvetković, O., Gržetić, I., Simić, M., Miodragovic, Z., Lazić, L., Zarić, M., Pesic, A.,& Vulić, P.. (2018). Anti-Hail Protection-Assessment of Financial Effects on the Territory of Belgrade. in Sustainability
MDPI., 10(4), 1239.
https://doi.org/10.3390/su10041239

Vukelic G, Cvetković O, Gržetić I, Simić M, Miodragovic Z, Lazić L, Zarić M, Pesic A, Vulić P. Anti-Hail Protection-Assessment of Financial Effects on the Territory of Belgrade. in Sustainability. 2018;10(4):1239.
doi:10.3390/su10041239 .

Vukelic, Gordana, Cvetković, Olga, Gržetić, Ivan, Simić, Miloš, Miodragovic, Zoran, Lazić, Lazar, Zarić, Miroljub, Pesic, Aleksandar, Vulić, Predrag, "Anti-Hail Protection-Assessment of Financial Effects on the Territory of Belgrade" in Sustainability, 10, no. 4 (2018):1239,
https://doi.org/10.3390/su10041239 . .

TY  - CONF
AU  - Šolević Knudsen, Tatjana
AU  - Milić, Jelena
AU  - Zarić, Nenad
AU  - Gržetić, Ivan
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5161
AB  - Poster presented at: 17th European Meeting on Environmental Chemistry – EMEC 17; Nov 30 – Dec 2, 2016; Inverness, Scotland
T1  - Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air
UR  - https://hdl.handle.net/21.15107/rcub_cer_5161
ER  - 

@conference{
author = "Šolević Knudsen, Tatjana and Milić, Jelena and Zarić, Nenad and Gržetić, Ivan",
year = "2016",
abstract = "Poster presented at: 17th European Meeting on Environmental Chemistry – EMEC 17; Nov 30 – Dec 2, 2016; Inverness, Scotland",
title = "Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air",
url = "https://hdl.handle.net/21.15107/rcub_cer_5161"
}

Šolević Knudsen, T., Milić, J., Zarić, N.,& Gržetić, I.. (2016). Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air. .
https://hdl.handle.net/21.15107/rcub_cer_5161

Šolević Knudsen T, Milić J, Zarić N, Gržetić I. Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air. 2016;.
https://hdl.handle.net/21.15107/rcub_cer_5161 .

Šolević Knudsen, Tatjana, Milić, Jelena, Zarić, Nenad, Gržetić, Ivan, "Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air" (2016),
https://hdl.handle.net/21.15107/rcub_cer_5161 .

TY  - CONF
AU  - Šolević Knudsen, Tatjana
AU  - Milić, Jelena
AU  - Zarić, Nenad
AU  - Gržetić, Ivan
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5160
AB  - Considering the fact that needles of some coniferousconiferous tree species are capable of accumulating, accumulating, in their cuticularcuticular wax layers, semi-volatilevolatile and low-volatilevolatile organic compoundscompounds from the air (Ratola et al. 2011), this study was carried out to determinedetermine whether or not Cedrus atlanticaatlantica pine needles can accumulateaccumulate atmospheric atmospheric PAHs, and, therefore,therefore, if they can be used as passive samplerssamplers of these compoundscompounds.
PB  - Association of chemistry and environment
C3  - 17th European Meeting on Environmental Chemistry – EMEC 17; Book of Abstracts; Nov 30 – Dec 2, 2016; Inverness, Scotland
T1  - Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air
SP  - 91
UR  - https://hdl.handle.net/21.15107/rcub_cer_5160
ER  - 

@conference{
author = "Šolević Knudsen, Tatjana and Milić, Jelena and Zarić, Nenad and Gržetić, Ivan",
year = "2016",
abstract = "Considering the fact that needles of some coniferousconiferous tree species are capable of accumulating, accumulating, in their cuticularcuticular wax layers, semi-volatilevolatile and low-volatilevolatile organic compoundscompounds from the air (Ratola et al. 2011), this study was carried out to determinedetermine whether or not Cedrus atlanticaatlantica pine needles can accumulateaccumulate atmospheric atmospheric PAHs, and, therefore,therefore, if they can be used as passive samplerssamplers of these compoundscompounds.",
publisher = "Association of chemistry and environment",
journal = "17th European Meeting on Environmental Chemistry – EMEC 17; Book of Abstracts; Nov 30 – Dec 2, 2016; Inverness, Scotland",
title = "Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air",
pages = "91",
url = "https://hdl.handle.net/21.15107/rcub_cer_5160"
}

Šolević Knudsen, T., Milić, J., Zarić, N.,& Gržetić, I.. (2016). Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air. in 17th European Meeting on Environmental Chemistry – EMEC 17; Book of Abstracts; Nov 30 – Dec 2, 2016; Inverness, Scotland
Association of chemistry and environment., 91.
https://hdl.handle.net/21.15107/rcub_cer_5160

Šolević Knudsen T, Milić J, Zarić N, Gržetić I. Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air. in 17th European Meeting on Environmental Chemistry – EMEC 17; Book of Abstracts; Nov 30 – Dec 2, 2016; Inverness, Scotland. 2016;:91.
https://hdl.handle.net/21.15107/rcub_cer_5160 .

Šolević Knudsen, Tatjana, Milić, Jelena, Zarić, Nenad, Gržetić, Ivan, "Analysis of Cedrus Atlantica (Atlas cedar) Needles as Potential Passive Samplers of Polycyclic Aromatic Hydrocarbons (PAHs) in Air" in 17th European Meeting on Environmental Chemistry – EMEC 17; Book of Abstracts; Nov 30 – Dec 2, 2016; Inverness, Scotland (2016):91,
https://hdl.handle.net/21.15107/rcub_cer_5160 .

TY  - JOUR
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Žunić, Marija
AU  - Mojović, Zorica
AU  - Banković, Predrag
AU  - Gržetić, Ivan
AU  - Jovanović, Dušan M.
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1337
AB  - Two series of organobentonites (OBs) were synthesized from Na+-exchanged bentonite clay from Bogovina, Serbia. In the first series the starting material was modified using hexadecyltrimethylammonium (HDTMA(+)) ion in the amounts corresponding to 0.2, 0.5, 1.0 and 2.0 of the CEC value. The second series was obtained using quaternary alkyl ammonium cations (QAACs) with different alkyl chain lengths: hexadecyltrimethylammonium (HDTMA(+)), dodecyltrimethylammonium (DDTMA(+)) and tetramethylammonium (TMA(+)) ions. The synthesized OBs were characterized. The adsorption of anionic reactive dye Reactive Black 5 (RB5) and Pb2+ from single component solutions and their hi-component solution was investigated for both series of OBs. The adsorptive properties of the OBs were correlated to the amount and type of incorporated QAACs. The correlation was tested using different mathematical models and best fits were found. Experimental results showed that simultaneous adsorption of RB5 and Pb2+ exhibited synergic effect. The adsorption capacity for both RB5 and Pb2+ was higher in their hi-component solution than in single-component solutions. These results indicate the creation of new adsorption sites during the simultaneous adsorption.
PB  - Elsevier
T2  - Journal of Contaminant Hydrology
T1  - Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites
VL  - 150
SP  - 1
EP  - 11
DO  - 10.1016/j.jconhyd.2013.03.004
ER  - 

@article{
author = "Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Žunić, Marija and Mojović, Zorica and Banković, Predrag and Gržetić, Ivan and Jovanović, Dušan M.",
year = "2013",
abstract = "Two series of organobentonites (OBs) were synthesized from Na+-exchanged bentonite clay from Bogovina, Serbia. In the first series the starting material was modified using hexadecyltrimethylammonium (HDTMA(+)) ion in the amounts corresponding to 0.2, 0.5, 1.0 and 2.0 of the CEC value. The second series was obtained using quaternary alkyl ammonium cations (QAACs) with different alkyl chain lengths: hexadecyltrimethylammonium (HDTMA(+)), dodecyltrimethylammonium (DDTMA(+)) and tetramethylammonium (TMA(+)) ions. The synthesized OBs were characterized. The adsorption of anionic reactive dye Reactive Black 5 (RB5) and Pb2+ from single component solutions and their hi-component solution was investigated for both series of OBs. The adsorptive properties of the OBs were correlated to the amount and type of incorporated QAACs. The correlation was tested using different mathematical models and best fits were found. Experimental results showed that simultaneous adsorption of RB5 and Pb2+ exhibited synergic effect. The adsorption capacity for both RB5 and Pb2+ was higher in their hi-component solution than in single-component solutions. These results indicate the creation of new adsorption sites during the simultaneous adsorption.",
publisher = "Elsevier",
journal = "Journal of Contaminant Hydrology",
title = "Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites",
volume = "150",
pages = "1-11",
doi = "10.1016/j.jconhyd.2013.03.004"
}

Jović-Jovičić, N., Milutinović Nikolić, A., Žunić, M., Mojović, Z., Banković, P., Gržetić, I.,& Jovanović, D. M.. (2013). Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites. in Journal of Contaminant Hydrology
Elsevier., 150, 1-11.
https://doi.org/10.1016/j.jconhyd.2013.03.004

Jović-Jovičić N, Milutinović Nikolić A, Žunić M, Mojović Z, Banković P, Gržetić I, Jovanović DM. Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites. in Journal of Contaminant Hydrology. 2013;150:1-11.
doi:10.1016/j.jconhyd.2013.03.004 .

Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Žunić, Marija, Mojović, Zorica, Banković, Predrag, Gržetić, Ivan, Jovanović, Dušan M., "Synergic adsorption of Pb2+ and reactive dye-RB5 on two series of organomodified bentonites" in Journal of Contaminant Hydrology, 150 (2013):1-11,
https://doi.org/10.1016/j.jconhyd.2013.03.004 . .

TY  - JOUR
AU  - Životić, Dragana
AU  - Stojanović, Ksenija
AU  - Gržetić, Ivan
AU  - Jovančićević, Branimir
AU  - Cvetković, Olga
AU  - Šajnović, Aleksandra
AU  - Simić, Vladimir
AU  - Stojakovic, Rajko
AU  - Scheeder, Georg
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1360
AB  - The Upper Miocene lignite from the Main coal seam in the D field, Kolubara basin, is a typical humic coal with huminite, liptinite and inertinite concentrations of up to 83.7 vol.%, 17.2 vol.% and 15.5 vol.%, respectively. In the huminite group, textinite and ulminite are the most abundant macerals with variable amounts of densinite and attrinite. Liptodetrinite and sporinite are the most common macerals of the liptinite group, while inertodetrinite is the most abundant maceral of the inertinite group. The mineral matter consists mostly of clay minerals. The main sources of organic matter were gymnosperms (conifers) and microbial biomass, followed by angiosperms. Based on composition of saturated and aromatic diterpenoids it has been established that coal forming plants belonged to the gymnosperm families Taxodiaceae, Podocarpaceae, Cupressaceae, Araucariaceae, Phyllocladaceae and Pinaceae. Peatification occurred in neutral to slightly acidic, fresh water environment Composition and distribution of biomarkers show that diagenetic changes of the organic matter were mainly governed by bacterial activity in a suboxic to oxic environment Based on distribution of aromatic diterpenoids a novel diagenetic pathway for transformation of abietane-type precursors under suboxic to oxic conditions is proposed. Variations in compositions of macerals and biomarkers are in concordance with pronounced seasonality during Pontian, which caused changes in the water level, redox conditions during peatification, and to some extent vegetation differences in the paleo-plant communities.
PB  - Elsevier
T2  - International Journal of Coal Geology
T1  - Petrological and geochemical composition of lignite from the D field, Kolubara basin (Serbia)
VL  - 111
SP  - 5
EP  - 22
DO  - 10.1016/j.coal.2012.10.014
ER  - 

@article{
author = "Životić, Dragana and Stojanović, Ksenija and Gržetić, Ivan and Jovančićević, Branimir and Cvetković, Olga and Šajnović, Aleksandra and Simić, Vladimir and Stojakovic, Rajko and Scheeder, Georg",
year = "2013",
abstract = "The Upper Miocene lignite from the Main coal seam in the D field, Kolubara basin, is a typical humic coal with huminite, liptinite and inertinite concentrations of up to 83.7 vol.%, 17.2 vol.% and 15.5 vol.%, respectively. In the huminite group, textinite and ulminite are the most abundant macerals with variable amounts of densinite and attrinite. Liptodetrinite and sporinite are the most common macerals of the liptinite group, while inertodetrinite is the most abundant maceral of the inertinite group. The mineral matter consists mostly of clay minerals. The main sources of organic matter were gymnosperms (conifers) and microbial biomass, followed by angiosperms. Based on composition of saturated and aromatic diterpenoids it has been established that coal forming plants belonged to the gymnosperm families Taxodiaceae, Podocarpaceae, Cupressaceae, Araucariaceae, Phyllocladaceae and Pinaceae. Peatification occurred in neutral to slightly acidic, fresh water environment Composition and distribution of biomarkers show that diagenetic changes of the organic matter were mainly governed by bacterial activity in a suboxic to oxic environment Based on distribution of aromatic diterpenoids a novel diagenetic pathway for transformation of abietane-type precursors under suboxic to oxic conditions is proposed. Variations in compositions of macerals and biomarkers are in concordance with pronounced seasonality during Pontian, which caused changes in the water level, redox conditions during peatification, and to some extent vegetation differences in the paleo-plant communities.",
publisher = "Elsevier",
journal = "International Journal of Coal Geology",
title = "Petrological and geochemical composition of lignite from the D field, Kolubara basin (Serbia)",
volume = "111",
pages = "5-22",
doi = "10.1016/j.coal.2012.10.014"
}

Životić, D., Stojanović, K., Gržetić, I., Jovančićević, B., Cvetković, O., Šajnović, A., Simić, V., Stojakovic, R.,& Scheeder, G.. (2013). Petrological and geochemical composition of lignite from the D field, Kolubara basin (Serbia). in International Journal of Coal Geology
Elsevier., 111, 5-22.
https://doi.org/10.1016/j.coal.2012.10.014

Životić D, Stojanović K, Gržetić I, Jovančićević B, Cvetković O, Šajnović A, Simić V, Stojakovic R, Scheeder G. Petrological and geochemical composition of lignite from the D field, Kolubara basin (Serbia). in International Journal of Coal Geology. 2013;111:5-22.
doi:10.1016/j.coal.2012.10.014 .

Životić, Dragana, Stojanović, Ksenija, Gržetić, Ivan, Jovančićević, Branimir, Cvetković, Olga, Šajnović, Aleksandra, Simić, Vladimir, Stojakovic, Rajko, Scheeder, Georg, "Petrological and geochemical composition of lignite from the D field, Kolubara basin (Serbia)" in International Journal of Coal Geology, 111 (2013):5-22,
https://doi.org/10.1016/j.coal.2012.10.014 . .

TY  - CONF
AU  - Jović-Jovičić, Nataša
AU  - Žunić, Marija
AU  - Banković, Predrag
AU  - Mojović, Zorica
AU  - Milutinović Nikolić, Aleksandra
AU  - Dojčinović, Biljana
AU  - Gržetić, Ivan
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6637
AB  - Quantitative substitution of the interlayer cations of smectite by hexadecyl trimethylammonium ions (HDTMA) was performed in order to prepare adsorbent able to simultaneously adsorb toxic metal cations and organic pollutants. The adsorption of Acid Yellow 99 textile dye and Pb2+ ion from their single solutions and mixture was performed. Kinetic data of adsorption were well represented by pseudo-second-order kinetic model for all investigated adsorption systems.
PB  - Society of Physical Chemists of Serbia
C3  - Proceedings - X International Conference on fundamental and applied aspects of Physical chemistry, 21-24 September 2010, Belgrade
T1  - Kinetics of adsorption of mixed pollutants by organobentonite
VL  - I
SP  - 173
EP  - 175
UR  - https://hdl.handle.net/21.15107/rcub_cer_6637
ER  - 

@conference{
author = "Jović-Jovičić, Nataša and Žunić, Marija and Banković, Predrag and Mojović, Zorica and Milutinović Nikolić, Aleksandra and Dojčinović, Biljana and Gržetić, Ivan",
year = "2010",
abstract = "Quantitative substitution of the interlayer cations of smectite by hexadecyl trimethylammonium ions (HDTMA) was performed in order to prepare adsorbent able to simultaneously adsorb toxic metal cations and organic pollutants. The adsorption of Acid Yellow 99 textile dye and Pb2+ ion from their single solutions and mixture was performed. Kinetic data of adsorption were well represented by pseudo-second-order kinetic model for all investigated adsorption systems.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Proceedings - X International Conference on fundamental and applied aspects of Physical chemistry, 21-24 September 2010, Belgrade",
title = "Kinetics of adsorption of mixed pollutants by organobentonite",
volume = "I",
pages = "173-175",
url = "https://hdl.handle.net/21.15107/rcub_cer_6637"
}

Jović-Jovičić, N., Žunić, M., Banković, P., Mojović, Z., Milutinović Nikolić, A., Dojčinović, B.,& Gržetić, I.. (2010). Kinetics of adsorption of mixed pollutants by organobentonite. in Proceedings - X International Conference on fundamental and applied aspects of Physical chemistry, 21-24 September 2010, Belgrade
Society of Physical Chemists of Serbia., I, 173-175.
https://hdl.handle.net/21.15107/rcub_cer_6637

Jović-Jovičić N, Žunić M, Banković P, Mojović Z, Milutinović Nikolić A, Dojčinović B, Gržetić I. Kinetics of adsorption of mixed pollutants by organobentonite. in Proceedings - X International Conference on fundamental and applied aspects of Physical chemistry, 21-24 September 2010, Belgrade. 2010;I:173-175.
https://hdl.handle.net/21.15107/rcub_cer_6637 .

Jović-Jovičić, Nataša, Žunić, Marija, Banković, Predrag, Mojović, Zorica, Milutinović Nikolić, Aleksandra, Dojčinović, Biljana, Gržetić, Ivan, "Kinetics of adsorption of mixed pollutants by organobentonite" in Proceedings - X International Conference on fundamental and applied aspects of Physical chemistry, 21-24 September 2010, Belgrade, I (2010):173-175,
https://hdl.handle.net/21.15107/rcub_cer_6637 .

TY  - JOUR
AU  - Životić, Dragana
AU  - Jovančićević, Branimir
AU  - Schwarzbauer, Jan
AU  - Cvetković, Olga
AU  - Gržetić, Ivan
AU  - Ercegovac, Marko
AU  - Stojanović, Ksenija
AU  - Šajnović, Aleksandra
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/654
AB  - A petrological and organic geochemical study was performed on coal samples from the East field deposit, Bogovina Basin, Serbia. Fourteen coal samples were collected from different parts of the Main and Upper coal seams from fresh, working faces in the underground subbituminous coal mine. The Lower Miocene (?) coal of the East field is a typical humic coal with huminite, liptinite and inertinite concentrations of up to 81.4 vol.%, 16.1 vol.% and 13.5 vol.%, respectively. Densinite is the most abundant maceral with variable amounts of ulminite and gelinite. Sporinite and liptodetrinite are the most common macerals of the liptinite group. Exsudatinite was detected in the lower part of the Lower coal seam. Inertodetrinite is the most abundant maceral of the inertinite group. The mineral matter consists mostly of clay minerals and carbonates. The mean random huminite reflectance (ulminite B) for the Main coal seam is 0.42 +/- 0.04%Rr, and 0.41 +/- 0.04%Rr for the Upper coal seam, which are typical for an immature to early mature stage of the organic matter. The distribution and abundance of n-alkanes and steranes indicates a significant contribution of epicuticular waxes from higher plants. High amount of phyllocladane-type diterpenoids (16 alpha(H)-phyllocladane) suggests that coal forming plants were conifer families Taxodiaceae, Podocarpaceae, Cupressaceae, Araucariaceae, Sciadopityaceae, and Phyllocladaceae, while a higher amount of pimarane and norpimarane suggests Pinaceae. Taxodiaceae, and Cupressaceae. The pristane/phytane (Pr/Ph) ratio implies variable anaerobic to oxic conditions during sedimentation. The distribution of the hopanes detected in the Bogovina East field coal indicates an immature to early mature stage of the organic matter, which is in agreement with huminite reflectance. The high coal sulphur contents from the East field are characteristic for slightly alkaline depositional environments generated by bentonite from the basement of the Main coal seam. The petrological observation and biomarker composition provide evidence for the generation of immature hydrocarbons which, most probably, originated from the resins and waxes of higher plants, mostly gymnosperms.
PB  - Elsevier
T2  - International Journal of Coal Geology
T1  - The petrographical and organic geochemical composition of coal from the East field, Bogovina Basin (Serbia)
VL  - 81
IS  - 4
SP  - 227
EP  - 241
DO  - 10.1016/j.coal.2009.07.012
ER  - 

@article{
author = "Životić, Dragana and Jovančićević, Branimir and Schwarzbauer, Jan and Cvetković, Olga and Gržetić, Ivan and Ercegovac, Marko and Stojanović, Ksenija and Šajnović, Aleksandra",
year = "2010",
abstract = "A petrological and organic geochemical study was performed on coal samples from the East field deposit, Bogovina Basin, Serbia. Fourteen coal samples were collected from different parts of the Main and Upper coal seams from fresh, working faces in the underground subbituminous coal mine. The Lower Miocene (?) coal of the East field is a typical humic coal with huminite, liptinite and inertinite concentrations of up to 81.4 vol.%, 16.1 vol.% and 13.5 vol.%, respectively. Densinite is the most abundant maceral with variable amounts of ulminite and gelinite. Sporinite and liptodetrinite are the most common macerals of the liptinite group. Exsudatinite was detected in the lower part of the Lower coal seam. Inertodetrinite is the most abundant maceral of the inertinite group. The mineral matter consists mostly of clay minerals and carbonates. The mean random huminite reflectance (ulminite B) for the Main coal seam is 0.42 +/- 0.04%Rr, and 0.41 +/- 0.04%Rr for the Upper coal seam, which are typical for an immature to early mature stage of the organic matter. The distribution and abundance of n-alkanes and steranes indicates a significant contribution of epicuticular waxes from higher plants. High amount of phyllocladane-type diterpenoids (16 alpha(H)-phyllocladane) suggests that coal forming plants were conifer families Taxodiaceae, Podocarpaceae, Cupressaceae, Araucariaceae, Sciadopityaceae, and Phyllocladaceae, while a higher amount of pimarane and norpimarane suggests Pinaceae. Taxodiaceae, and Cupressaceae. The pristane/phytane (Pr/Ph) ratio implies variable anaerobic to oxic conditions during sedimentation. The distribution of the hopanes detected in the Bogovina East field coal indicates an immature to early mature stage of the organic matter, which is in agreement with huminite reflectance. The high coal sulphur contents from the East field are characteristic for slightly alkaline depositional environments generated by bentonite from the basement of the Main coal seam. The petrological observation and biomarker composition provide evidence for the generation of immature hydrocarbons which, most probably, originated from the resins and waxes of higher plants, mostly gymnosperms.",
publisher = "Elsevier",
journal = "International Journal of Coal Geology",
title = "The petrographical and organic geochemical composition of coal from the East field, Bogovina Basin (Serbia)",
volume = "81",
number = "4",
pages = "227-241",
doi = "10.1016/j.coal.2009.07.012"
}

Životić, D., Jovančićević, B., Schwarzbauer, J., Cvetković, O., Gržetić, I., Ercegovac, M., Stojanović, K.,& Šajnović, A.. (2010). The petrographical and organic geochemical composition of coal from the East field, Bogovina Basin (Serbia). in International Journal of Coal Geology
Elsevier., 81(4), 227-241.
https://doi.org/10.1016/j.coal.2009.07.012

Životić D, Jovančićević B, Schwarzbauer J, Cvetković O, Gržetić I, Ercegovac M, Stojanović K, Šajnović A. The petrographical and organic geochemical composition of coal from the East field, Bogovina Basin (Serbia). in International Journal of Coal Geology. 2010;81(4):227-241.
doi:10.1016/j.coal.2009.07.012 .

Životić, Dragana, Jovančićević, Branimir, Schwarzbauer, Jan, Cvetković, Olga, Gržetić, Ivan, Ercegovac, Marko, Stojanović, Ksenija, Šajnović, Aleksandra, "The petrographical and organic geochemical composition of coal from the East field, Bogovina Basin (Serbia)" in International Journal of Coal Geology, 81, no. 4 (2010):227-241,
https://doi.org/10.1016/j.coal.2009.07.012 . .

TY  - JOUR
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Mojović, Zorica
AU  - Žunić, Marija
AU  - Gržetić, Ivan
AU  - Jovanović, Dušan M.
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/740
AB  - Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammonium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants. Acid Orange 10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb2+ decreased with increasing organophilicity. The adsorption of the dye and Pb2+ and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model.
PB  - Elsevier
T2  - Applied Clay Science
T1  - Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions
VL  - 47
IS  - 3-4
SP  - 452
EP  - 456
DO  - 10.1016/j.clay.2009.11.005
ER  - 

@article{
author = "Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Banković, Predrag and Mojović, Zorica and Žunić, Marija and Gržetić, Ivan and Jovanović, Dušan M.",
year = "2010",
abstract = "Partial substitution of the interlayer cations of a local bentonite (Bogovina) by hexadecyl trimethylammonium ions (HDTMA) was performed to prepare adsorbents able to simultaneously adsorb toxic metal cations and organic pollutants. Acid Orange 10 adsorption increased with increasing HDTMA addition, while the adsorption of Pb2+ decreased with increasing organophilicity. The adsorption of the dye and Pb2+ and their mixture onto Na-rich bentonite and HDTMA-bentonites, regardless of adsorbents' organophilicity, obeyed the pseudo-second-order kinetics model.",
publisher = "Elsevier",
journal = "Applied Clay Science",
title = "Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions",
volume = "47",
number = "3-4",
pages = "452-456",
doi = "10.1016/j.clay.2009.11.005"
}

Jović-Jovičić, N., Milutinović Nikolić, A., Banković, P., Mojović, Z., Žunić, M., Gržetić, I.,& Jovanović, D. M.. (2010). Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions. in Applied Clay Science
Elsevier., 47(3-4), 452-456.
https://doi.org/10.1016/j.clay.2009.11.005

Jović-Jovičić N, Milutinović Nikolić A, Banković P, Mojović Z, Žunić M, Gržetić I, Jovanović DM. Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions. in Applied Clay Science. 2010;47(3-4):452-456.
doi:10.1016/j.clay.2009.11.005 .

Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Banković, Predrag, Mojović, Zorica, Žunić, Marija, Gržetić, Ivan, Jovanović, Dušan M., "Organo-inorganic bentonite for simultaneous adsorption of Acid Orange 10 and lead ions" in Applied Clay Science, 47, no. 3-4 (2010):452-456,
https://doi.org/10.1016/j.clay.2009.11.005 . .

TY  - JOUR
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Banković, Predrag
AU  - Dojčinović, Biljana
AU  - Nedić, B.
AU  - Gržetić, Ivan
AU  - Jovanović, Dušan M.
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/627
AB  - In this paper partial and complete substitution of cations in the interlayer region of clay with different amounts of two aliphatic ammonium cations was performed with aim of synthesis of organobentonites with multipurpose adsorption properties. Domestic clay from Bogovina was submitted according to a common procedure used for the obtention of organobentonite, which comprises the following steps: grinding, sieving, Na-exchange, cation exchange and drying. The samples were characterized by X-ray diffraction and infrared spectroscopy. The incorporation of surfactant molecules into smectite structure lead to constant increase of d(001) basal spacing. IR absorption bands assigned to methyl and methylene vibrations increased with the increase of surfactant/bentonite ratio and length of aliphatic chain in surfactant molecules. Adsorptive properties of the obtained materials were in accordance with their organophylicity: the adsorption of organic dye increased while the rate of removal of Pb2+ by adsorption decreased.
PB  - Polish Acad Sciences Inst Physics, Warsaw
T2  - Acta Physica Polonica A
T1  - Synthesis, Characterization and Adsorptive Properties of Organobentonites
VL  - 117
IS  - 5
SP  - 849
EP  - 854
DO  - 10.12693/APhysPolA.117.849
ER  - 

@article{
author = "Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Banković, Predrag and Dojčinović, Biljana and Nedić, B. and Gržetić, Ivan and Jovanović, Dušan M.",
year = "2010",
abstract = "In this paper partial and complete substitution of cations in the interlayer region of clay with different amounts of two aliphatic ammonium cations was performed with aim of synthesis of organobentonites with multipurpose adsorption properties. Domestic clay from Bogovina was submitted according to a common procedure used for the obtention of organobentonite, which comprises the following steps: grinding, sieving, Na-exchange, cation exchange and drying. The samples were characterized by X-ray diffraction and infrared spectroscopy. The incorporation of surfactant molecules into smectite structure lead to constant increase of d(001) basal spacing. IR absorption bands assigned to methyl and methylene vibrations increased with the increase of surfactant/bentonite ratio and length of aliphatic chain in surfactant molecules. Adsorptive properties of the obtained materials were in accordance with their organophylicity: the adsorption of organic dye increased while the rate of removal of Pb2+ by adsorption decreased.",
publisher = "Polish Acad Sciences Inst Physics, Warsaw",
journal = "Acta Physica Polonica A",
title = "Synthesis, Characterization and Adsorptive Properties of Organobentonites",
volume = "117",
number = "5",
pages = "849-854",
doi = "10.12693/APhysPolA.117.849"
}

Jović-Jovičić, N., Milutinović Nikolić, A., Banković, P., Dojčinović, B., Nedić, B., Gržetić, I.,& Jovanović, D. M.. (2010). Synthesis, Characterization and Adsorptive Properties of Organobentonites. in Acta Physica Polonica A
Polish Acad Sciences Inst Physics, Warsaw., 117(5), 849-854.
https://doi.org/10.12693/APhysPolA.117.849

Jović-Jovičić N, Milutinović Nikolić A, Banković P, Dojčinović B, Nedić B, Gržetić I, Jovanović DM. Synthesis, Characterization and Adsorptive Properties of Organobentonites. in Acta Physica Polonica A. 2010;117(5):849-854.
doi:10.12693/APhysPolA.117.849 .

Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Banković, Predrag, Dojčinović, Biljana, Nedić, B., Gržetić, Ivan, Jovanović, Dušan M., "Synthesis, Characterization and Adsorptive Properties of Organobentonites" in Acta Physica Polonica A, 117, no. 5 (2010):849-854,
https://doi.org/10.12693/APhysPolA.117.849 . .

TY  - JOUR
AU  - Životić, Dragana
AU  - Wehner, Herman
AU  - Cvetković, Olga
AU  - Jovančićević, Branimir
AU  - Gržetić, Ivan
AU  - Scheeder, Georg
AU  - Vidal, Angelika
AU  - Šajnović, Aleksandra
AU  - Ercegovac, Marko
AU  - Simić, Vladimir
PY  - 2008
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/411
AB  - A petrological, organic geochemical and geochemical study was performed on coal samples from the Soko Mine, Soko Banja basin, Serbia. Ten coal and two carbonaceous clay samples were collected from fresh, working faces in the underground brown coal mine from different parts of the main coal seam. The Lower Miocene, low-rank coal of the Soko Mine is a typical humic coal with huminite concentrations of up to 76.2 vol.%, liptinite less than 14 vol.% and inertinite less than 11 vol.%. Ulminite is the most abundant maceral with variable amounts of densinite and clay minerals. Sporinite and resinite are the most common macerals of the liptinite group. Inertodetrinite is the most abundant maceral of the inertinite group. The mineral-bituminous groundmass identified in some coal samples, and carbonaceous marly clay, indicate sub-aquatic origin and strong bacterial decomposition. The mean random huminite reflectance (ulminite B) for the main coal seam is 0.40 +/- 0.05% Rr, which is typical for an immature to early mature stage of organic matter. The extract yields from the coal of the Soko Banja basin ranges from 9413 to 14,096 ppm, in which alkanes constituted 1.02-0.1%, aromatics 1.3-14.7%, asphaltenes 28.1-76.2% and resins 20.2-43.5%. The saturated hydrocarbon fractions included n-C-15 to n-C-32, with an odd carbon number that predominate in almost all the samples. The contents of n-C-27 and n-C-29 alkanes are extremely high in some samples, as a contribution of epicuticular waxes from higher plants. Acyclic isoprenoid hydrocarbons are minor constituents in the aliphatic fraction, and the pristane/phytane (Pr/Ph) ratio varies between 0.56 and 3.13, which implies anaerobic to oxic conditions during sedimentation. The most abundant diterpanes were abietane, dehydroabietane and 16 alpha(H)-phyllocladane. In samples from the upper part of the coal seam, diterpanes are the dominant constituents of the alkane fraction. Polycyclic alkanes of the triterpane type are important constituents of alkane fractions. The occurrence of beta beta- and alpha beta-type hopanes from C-27 to C-31, but without C-28, is typical for the Soko Banja coals. The major and trace elements in the coal were analysed using X-ray fluorescence (XRF), and inductively coupled plasma-mass spectrometry (ICP-MS). In comparison with world lignites, using the geometric mean value, the coal from the Soko Banja Basin has a high content of strontium (306.953 mg/kg). Higher values than the world lignites were obtained for Mo (3.614 mg/kg), Ni(8.119 mg/kg), Se (0.884 mg/kg), U (2.642 mg/kg) and W (0.148 mg/kg). Correlation analysis shows inorganic affinity for almost all the major and trace elements, except for S, which has an organic affinity.
PB  - Elsevier
T2  - International Journal of Coal Geology
T1  - Petrological, organic geochemical and geochemical characteristics of coal from the Soko mine, Serbia
VL  - 73
IS  - 3-4
SP  - 285
EP  - 306
DO  - 10.1016/j.coal.2007.07.001
ER  - 

@article{
author = "Životić, Dragana and Wehner, Herman and Cvetković, Olga and Jovančićević, Branimir and Gržetić, Ivan and Scheeder, Georg and Vidal, Angelika and Šajnović, Aleksandra and Ercegovac, Marko and Simić, Vladimir",
year = "2008",
abstract = "A petrological, organic geochemical and geochemical study was performed on coal samples from the Soko Mine, Soko Banja basin, Serbia. Ten coal and two carbonaceous clay samples were collected from fresh, working faces in the underground brown coal mine from different parts of the main coal seam. The Lower Miocene, low-rank coal of the Soko Mine is a typical humic coal with huminite concentrations of up to 76.2 vol.%, liptinite less than 14 vol.% and inertinite less than 11 vol.%. Ulminite is the most abundant maceral with variable amounts of densinite and clay minerals. Sporinite and resinite are the most common macerals of the liptinite group. Inertodetrinite is the most abundant maceral of the inertinite group. The mineral-bituminous groundmass identified in some coal samples, and carbonaceous marly clay, indicate sub-aquatic origin and strong bacterial decomposition. The mean random huminite reflectance (ulminite B) for the main coal seam is 0.40 +/- 0.05% Rr, which is typical for an immature to early mature stage of organic matter. The extract yields from the coal of the Soko Banja basin ranges from 9413 to 14,096 ppm, in which alkanes constituted 1.02-0.1%, aromatics 1.3-14.7%, asphaltenes 28.1-76.2% and resins 20.2-43.5%. The saturated hydrocarbon fractions included n-C-15 to n-C-32, with an odd carbon number that predominate in almost all the samples. The contents of n-C-27 and n-C-29 alkanes are extremely high in some samples, as a contribution of epicuticular waxes from higher plants. Acyclic isoprenoid hydrocarbons are minor constituents in the aliphatic fraction, and the pristane/phytane (Pr/Ph) ratio varies between 0.56 and 3.13, which implies anaerobic to oxic conditions during sedimentation. The most abundant diterpanes were abietane, dehydroabietane and 16 alpha(H)-phyllocladane. In samples from the upper part of the coal seam, diterpanes are the dominant constituents of the alkane fraction. Polycyclic alkanes of the triterpane type are important constituents of alkane fractions. The occurrence of beta beta- and alpha beta-type hopanes from C-27 to C-31, but without C-28, is typical for the Soko Banja coals. The major and trace elements in the coal were analysed using X-ray fluorescence (XRF), and inductively coupled plasma-mass spectrometry (ICP-MS). In comparison with world lignites, using the geometric mean value, the coal from the Soko Banja Basin has a high content of strontium (306.953 mg/kg). Higher values than the world lignites were obtained for Mo (3.614 mg/kg), Ni(8.119 mg/kg), Se (0.884 mg/kg), U (2.642 mg/kg) and W (0.148 mg/kg). Correlation analysis shows inorganic affinity for almost all the major and trace elements, except for S, which has an organic affinity.",
publisher = "Elsevier",
journal = "International Journal of Coal Geology",
title = "Petrological, organic geochemical and geochemical characteristics of coal from the Soko mine, Serbia",
volume = "73",
number = "3-4",
pages = "285-306",
doi = "10.1016/j.coal.2007.07.001"
}

Životić, D., Wehner, H., Cvetković, O., Jovančićević, B., Gržetić, I., Scheeder, G., Vidal, A., Šajnović, A., Ercegovac, M.,& Simić, V.. (2008). Petrological, organic geochemical and geochemical characteristics of coal from the Soko mine, Serbia. in International Journal of Coal Geology
Elsevier., 73(3-4), 285-306.
https://doi.org/10.1016/j.coal.2007.07.001

Životić D, Wehner H, Cvetković O, Jovančićević B, Gržetić I, Scheeder G, Vidal A, Šajnović A, Ercegovac M, Simić V. Petrological, organic geochemical and geochemical characteristics of coal from the Soko mine, Serbia. in International Journal of Coal Geology. 2008;73(3-4):285-306.
doi:10.1016/j.coal.2007.07.001 .

Životić, Dragana, Wehner, Herman, Cvetković, Olga, Jovančićević, Branimir, Gržetić, Ivan, Scheeder, Georg, Vidal, Angelika, Šajnović, Aleksandra, Ercegovac, Marko, Simić, Vladimir, "Petrological, organic geochemical and geochemical characteristics of coal from the Soko mine, Serbia" in International Journal of Coal Geology, 73, no. 3-4 (2008):285-306,
https://doi.org/10.1016/j.coal.2007.07.001 . .

TY  - JOUR
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Gržetić, Ivan
AU  - Banković, Predrag
AU  - Marković, Branislav Ž.
AU  - Jovanović, Dušan M.
PY  - 2008
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/440
AB  - Natural bentonite clay from the Bogovina locality in Serbia was Na-exchanged and modified using hexadecyll-trimethylammonium bromide as surfactant and organobentonite was obtained. The influence of modifications on the structural, textural and sorption properties of bentonite was investigated. It was estimated that modifications solely replace exchangeable cations in smectite layers, whereas other admixture minerals (quartz, calcite, feldspar) in bentonite remain unaffected. According to X-ray results the modification lead to changes in the smectite structure by either decreasing, for Na-bentonite, or increasing, for organobentonite, the interplanar spacing, JQOI- The appearance of three new bands in IR spectra of HDTMA-bentonite comparing to those of raw and Na-bentonite assigned to the methylene vibrations confirmed the embedding of aliphatic cations into smectite structure. In organobentonite a significant change in textural properties was observed. In particular, specific surface area dramatically decreased while originally meso and microporous material became almost completely non-porous. Despite almost insignificant specific surface area the synthesized organobentonite due to gained organophyllity of its surface exhibits exquisite adsorption properties toward investigated textile dyes having adsorption capacity approx. 2 times higher than activated carbon.
AB  - Prirodna bentonitna glina sa lokaliteta Bogovina u Srbiji je natrijumski izmenjena i modifikovana heksadeciltrimetil amonijum-bromidom kao surfaktantom, pri čemu je dobijen organobentonit. Ispitivan je uticaj modifikacije na strukturu, teksturalna i adsorpciona svojstva bentonita. Utvrđeno je da primenjeni postupci modifikacije dovode isključivo do izmene katjona u medulamelamom sloju smektita, dok modifikacija ne deluje na druge prateće minerale u bentonitu (kvare, kalcit, feldspat). Uprkos neznatnoj specifičnoj površini sintetizovani organobentonit zahvaljujući novodobijenoj organofilnosti površine pokazuje izuzetna adsorpciona svojstva prema tekstilnim bojama, imajući adsorpcioni kapacitet oko 2 puta veći od aktivnog uglja.
PB  - Assoc Chemical Engineers Serbia, Belgrade
T2  - Hemijska industrija
T1  - The influence of modification on structural, textural and adsorption properties of bentonite
T1  - Uticaj modifikacije na strukturna, teksturalna i adsorpciona svojstva bentonita
VL  - 62
IS  - 3
SP  - 131
EP  - 137
DO  - 10.2298/HEMIND0803131J
ER  - 

@article{
author = "Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Gržetić, Ivan and Banković, Predrag and Marković, Branislav Ž. and Jovanović, Dušan M.",
year = "2008",
abstract = "Natural bentonite clay from the Bogovina locality in Serbia was Na-exchanged and modified using hexadecyll-trimethylammonium bromide as surfactant and organobentonite was obtained. The influence of modifications on the structural, textural and sorption properties of bentonite was investigated. It was estimated that modifications solely replace exchangeable cations in smectite layers, whereas other admixture minerals (quartz, calcite, feldspar) in bentonite remain unaffected. According to X-ray results the modification lead to changes in the smectite structure by either decreasing, for Na-bentonite, or increasing, for organobentonite, the interplanar spacing, JQOI- The appearance of three new bands in IR spectra of HDTMA-bentonite comparing to those of raw and Na-bentonite assigned to the methylene vibrations confirmed the embedding of aliphatic cations into smectite structure. In organobentonite a significant change in textural properties was observed. In particular, specific surface area dramatically decreased while originally meso and microporous material became almost completely non-porous. Despite almost insignificant specific surface area the synthesized organobentonite due to gained organophyllity of its surface exhibits exquisite adsorption properties toward investigated textile dyes having adsorption capacity approx. 2 times higher than activated carbon., Prirodna bentonitna glina sa lokaliteta Bogovina u Srbiji je natrijumski izmenjena i modifikovana heksadeciltrimetil amonijum-bromidom kao surfaktantom, pri čemu je dobijen organobentonit. Ispitivan je uticaj modifikacije na strukturu, teksturalna i adsorpciona svojstva bentonita. Utvrđeno je da primenjeni postupci modifikacije dovode isključivo do izmene katjona u medulamelamom sloju smektita, dok modifikacija ne deluje na druge prateće minerale u bentonitu (kvare, kalcit, feldspat). Uprkos neznatnoj specifičnoj površini sintetizovani organobentonit zahvaljujući novodobijenoj organofilnosti površine pokazuje izuzetna adsorpciona svojstva prema tekstilnim bojama, imajući adsorpcioni kapacitet oko 2 puta veći od aktivnog uglja.",
publisher = "Assoc Chemical Engineers Serbia, Belgrade",
journal = "Hemijska industrija",
title = "The influence of modification on structural, textural and adsorption properties of bentonite, Uticaj modifikacije na strukturna, teksturalna i adsorpciona svojstva bentonita",
volume = "62",
number = "3",
pages = "131-137",
doi = "10.2298/HEMIND0803131J"
}

Jović-Jovičić, N., Milutinović Nikolić, A., Gržetić, I., Banković, P., Marković, B. Ž.,& Jovanović, D. M.. (2008). The influence of modification on structural, textural and adsorption properties of bentonite. in Hemijska industrija
Assoc Chemical Engineers Serbia, Belgrade., 62(3), 131-137.
https://doi.org/10.2298/HEMIND0803131J

Jović-Jovičić N, Milutinović Nikolić A, Gržetić I, Banković P, Marković BŽ, Jovanović DM. The influence of modification on structural, textural and adsorption properties of bentonite. in Hemijska industrija. 2008;62(3):131-137.
doi:10.2298/HEMIND0803131J .

Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Gržetić, Ivan, Banković, Predrag, Marković, Branislav Ž., Jovanović, Dušan M., "The influence of modification on structural, textural and adsorption properties of bentonite" in Hemijska industrija, 62, no. 3 (2008):131-137,
https://doi.org/10.2298/HEMIND0803131J . .

TY  - JOUR
AU  - Jović-Jovičić, Nataša
AU  - Milutinović Nikolić, Aleksandra
AU  - Gržetić, Ivan
AU  - Jovanović, Dušan M.
PY  - 2008
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/403
AB  - Domestic bentonite clay was modified using cationic surfactant - hexadecyltrimethylammonium bromide (HDTMA-bromide) in order to obtain more efficient sorbent. Removal of Acid Orange 10 from aqueous solution at different dye concentrations, adsorbent doses, and pH was studied. These studies were carried out under unaltered pH value in order to prove that adjusting pH as an additional operation in wastewater treatment is not entirely necessary. The results obtained confirmed the adsorption capacity is significant even for unaltered pH. The adsorption isotherm data were well fitted with both the Freundlich and Langmuir model and the latter was shown as more appropriate. Dynamical data were well represented with the pseudo second-order kinetic model. The results indicate that HDTMA-bentonite could be employed as low-cost sorbent in textile dye wastewater treatment.
PB  - Wiley-V C H Verlag Gmbh, Weinheim
T2  - Chemical Engineering & Technology
T1  - Organobentonite as efficient textile dye sorbent
VL  - 31
IS  - 4
SP  - 567
EP  - 574
DO  - 10.1002/ceat.200700421
ER  - 

@article{
author = "Jović-Jovičić, Nataša and Milutinović Nikolić, Aleksandra and Gržetić, Ivan and Jovanović, Dušan M.",
year = "2008",
abstract = "Domestic bentonite clay was modified using cationic surfactant - hexadecyltrimethylammonium bromide (HDTMA-bromide) in order to obtain more efficient sorbent. Removal of Acid Orange 10 from aqueous solution at different dye concentrations, adsorbent doses, and pH was studied. These studies were carried out under unaltered pH value in order to prove that adjusting pH as an additional operation in wastewater treatment is not entirely necessary. The results obtained confirmed the adsorption capacity is significant even for unaltered pH. The adsorption isotherm data were well fitted with both the Freundlich and Langmuir model and the latter was shown as more appropriate. Dynamical data were well represented with the pseudo second-order kinetic model. The results indicate that HDTMA-bentonite could be employed as low-cost sorbent in textile dye wastewater treatment.",
publisher = "Wiley-V C H Verlag Gmbh, Weinheim",
journal = "Chemical Engineering & Technology",
title = "Organobentonite as efficient textile dye sorbent",
volume = "31",
number = "4",
pages = "567-574",
doi = "10.1002/ceat.200700421"
}

Jović-Jovičić, N., Milutinović Nikolić, A., Gržetić, I.,& Jovanović, D. M.. (2008). Organobentonite as efficient textile dye sorbent. in Chemical Engineering & Technology
Wiley-V C H Verlag Gmbh, Weinheim., 31(4), 567-574.
https://doi.org/10.1002/ceat.200700421

Jović-Jovičić N, Milutinović Nikolić A, Gržetić I, Jovanović DM. Organobentonite as efficient textile dye sorbent. in Chemical Engineering & Technology. 2008;31(4):567-574.
doi:10.1002/ceat.200700421 .

Jović-Jovičić, Nataša, Milutinović Nikolić, Aleksandra, Gržetić, Ivan, Jovanović, Dušan M., "Organobentonite as efficient textile dye sorbent" in Chemical Engineering & Technology, 31, no. 4 (2008):567-574,
https://doi.org/10.1002/ceat.200700421 . .

TY  - JOUR
AU  - Đordević, Ljiljana
AU  - Gržetić, Ivan
AU  - Cvetković, Olga
PY  - 2007
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/355
AB  - The Korbevačka River is located in the south-eastern part of Serbia. This river is a main recipient of all kinds of pollutants from the local Pb-Zn mine "Grot". Determination of the eco-chemical status comprised complete physico-chemical analysis of river water like conductivity, pH, BOD5, COD including heavy metals, such as: Pb, Zn, Cd, Cr, Ni, Cu, Hg, As, Fe and Ba. Parallel to these investigations, the analysis of river sediments has been performed. According to the standard values for physical and chemical parameters specified by the Council Directive 75/440/EEC that are required of surface waters intended for the abstraction of drinking water in Member States, the water in the upper part of the Korbevačka River basin belongs to category A3, mainly because of the elevated values for Cu, Pb and COD. The analysis of river sediments also showed that the concentration of Cu, Pb, Cd and Zn are over the values given by the Interim fresh-water sediment quality guidelines ISQG - Canadian sediment quality guidelines. The correlation of the obtained results has proven the connection between the contaminated sediments and polluted water. Although the concentrations of heavy metals in sediments were quite high, due to neutral or slightly alkaline conditions in river water, the solubility of the mentioned heavy metals was partly prevented.
PB  - Parlar Scientific Publications (P S P), Freising
T2  - Fresenius Environmental Bulletin
T1  - Eco-chemical status of the Korbevačka River in souht-eastern Serbia
VL  - 16
IS  - 11 A
SP  - 1421
EP  - 1427
UR  - https://hdl.handle.net/21.15107/rcub_cherry_93
ER  - 

@article{
author = "Đordević, Ljiljana and Gržetić, Ivan and Cvetković, Olga",
year = "2007",
abstract = "The Korbevačka River is located in the south-eastern part of Serbia. This river is a main recipient of all kinds of pollutants from the local Pb-Zn mine "Grot". Determination of the eco-chemical status comprised complete physico-chemical analysis of river water like conductivity, pH, BOD5, COD including heavy metals, such as: Pb, Zn, Cd, Cr, Ni, Cu, Hg, As, Fe and Ba. Parallel to these investigations, the analysis of river sediments has been performed. According to the standard values for physical and chemical parameters specified by the Council Directive 75/440/EEC that are required of surface waters intended for the abstraction of drinking water in Member States, the water in the upper part of the Korbevačka River basin belongs to category A3, mainly because of the elevated values for Cu, Pb and COD. The analysis of river sediments also showed that the concentration of Cu, Pb, Cd and Zn are over the values given by the Interim fresh-water sediment quality guidelines ISQG - Canadian sediment quality guidelines. The correlation of the obtained results has proven the connection between the contaminated sediments and polluted water. Although the concentrations of heavy metals in sediments were quite high, due to neutral or slightly alkaline conditions in river water, the solubility of the mentioned heavy metals was partly prevented.",
publisher = "Parlar Scientific Publications (P S P), Freising",
journal = "Fresenius Environmental Bulletin",
title = "Eco-chemical status of the Korbevačka River in souht-eastern Serbia",
volume = "16",
number = "11 A",
pages = "1421-1427",
url = "https://hdl.handle.net/21.15107/rcub_cherry_93"
}

Đordević, L., Gržetić, I.,& Cvetković, O.. (2007). Eco-chemical status of the Korbevačka River in souht-eastern Serbia. in Fresenius Environmental Bulletin
Parlar Scientific Publications (P S P), Freising., 16(11 A), 1421-1427.
https://hdl.handle.net/21.15107/rcub_cherry_93

Đordević L, Gržetić I, Cvetković O. Eco-chemical status of the Korbevačka River in souht-eastern Serbia. in Fresenius Environmental Bulletin. 2007;16(11 A):1421-1427.
https://hdl.handle.net/21.15107/rcub_cherry_93 .

Đordević, Ljiljana, Gržetić, Ivan, Cvetković, Olga, "Eco-chemical status of the Korbevačka River in souht-eastern Serbia" in Fresenius Environmental Bulletin, 16, no. 11 A (2007):1421-1427,
https://hdl.handle.net/21.15107/rcub_cherry_93 .

TY  - CONF
AU  - Sakan, Sanja
AU  - Gržetić, Ivan
AU  - Đorđević, Dragana
PY  - 2007
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/357
AB  - Introduction. In this work, sediments of the River Tisa (Tisza) are studied to assess their environmental pollution levels for some major heavy metals, as well as to predict the investigated elements' mobility on the basis of their association type with the substrate. The Tisa River catchments area is a subbasin of the River Danube. Part of this river, 166 km long, belongs to the Serbian province of Vojvodina, before it flows into the Danube. It has been chosen for our investigation, because it has been exposed to intense pollution in the last decades. Materials and Methods. The river sediment samples were collected at 32 locations. The proportions of sand, silt and clay fractions were determined. The sequential extraction procedure following a modified Tessier method was applied for speciation of the metal forms in the collected samples. The metal concentrations of Zn, Cd, Pb, Ni, Cu, Cr, Fe and Mn in extracts were determined by atomic absorption spectroscopy. Results and Discussion. Granulometric analysis showed that some 50% of the Tisa River sediments were silt and clay, while the rest was sand with quartz, as the main constituent. The average metal content of the surface river sediment samples for every fraction of sequential extraction was presented and discussed in relation to pH, Eh and metal fractionation. The average metal content from the Tisa River sediments, obtained as an average of the metal's concentration released in all five sequential extraction fractions was compared with: average metal contents of the Tisa River sediments in Hungary, metal content in soils formed on the Tisa River alluvium of Vojvodina, average metal content in soils of Vojvodina, and average metal content in soils of Hungary. An assessment of metal pollution levels in Tisa River sediments was made by comparing mean values for obtained results for the Tisa River sediments with the freshwater sediment's Quality Guidelines as published by US EPA, Environment Canada and soil standards for Serbia. Conclusion. According to US EPA and Canadian Quality Guidelines for freshwater sediments, the concentration of heavy metals in Tisa sediments were: (a) much higher than defined concentrations below which harmful effects on river biota are unlikely to be observed, (b) below defined concentrations above which harmful effects on river biota are likely to be observed. The concentration levels of Pb, Ni, Cu and Cr in Tisa River sediments are safe when compared with Serbian MAQ (Maximum Allowed Quantity) standards for soils, but they are unsafe in the case of Zn and Cd. Recommendations and Outlook. The quality of sediments in the Tisa River was on the border line between potentially polluted and polluted. This line could very easily be exceeded since the quality of sediments in the Tisa River in Hungary was already worse than in Serbia. These results indicated the need for further monitoring of heavy metals in that locality.
PB  - Springer Heidelberg, Heidelberg
C3  - Environmental Science and Pollution Research
T1  - Distribution and fractionation of heavy metals in the Tisa (Tisza) River sediments
VL  - 14
IS  - 4
SP  - 229
EP  - 236
DO  - 10.1065/espr2006.05.304
ER  - 

@conference{
author = "Sakan, Sanja and Gržetić, Ivan and Đorđević, Dragana",
year = "2007",
abstract = "Introduction. In this work, sediments of the River Tisa (Tisza) are studied to assess their environmental pollution levels for some major heavy metals, as well as to predict the investigated elements' mobility on the basis of their association type with the substrate. The Tisa River catchments area is a subbasin of the River Danube. Part of this river, 166 km long, belongs to the Serbian province of Vojvodina, before it flows into the Danube. It has been chosen for our investigation, because it has been exposed to intense pollution in the last decades. Materials and Methods. The river sediment samples were collected at 32 locations. The proportions of sand, silt and clay fractions were determined. The sequential extraction procedure following a modified Tessier method was applied for speciation of the metal forms in the collected samples. The metal concentrations of Zn, Cd, Pb, Ni, Cu, Cr, Fe and Mn in extracts were determined by atomic absorption spectroscopy. Results and Discussion. Granulometric analysis showed that some 50% of the Tisa River sediments were silt and clay, while the rest was sand with quartz, as the main constituent. The average metal content of the surface river sediment samples for every fraction of sequential extraction was presented and discussed in relation to pH, Eh and metal fractionation. The average metal content from the Tisa River sediments, obtained as an average of the metal's concentration released in all five sequential extraction fractions was compared with: average metal contents of the Tisa River sediments in Hungary, metal content in soils formed on the Tisa River alluvium of Vojvodina, average metal content in soils of Vojvodina, and average metal content in soils of Hungary. An assessment of metal pollution levels in Tisa River sediments was made by comparing mean values for obtained results for the Tisa River sediments with the freshwater sediment's Quality Guidelines as published by US EPA, Environment Canada and soil standards for Serbia. Conclusion. According to US EPA and Canadian Quality Guidelines for freshwater sediments, the concentration of heavy metals in Tisa sediments were: (a) much higher than defined concentrations below which harmful effects on river biota are unlikely to be observed, (b) below defined concentrations above which harmful effects on river biota are likely to be observed. The concentration levels of Pb, Ni, Cu and Cr in Tisa River sediments are safe when compared with Serbian MAQ (Maximum Allowed Quantity) standards for soils, but they are unsafe in the case of Zn and Cd. Recommendations and Outlook. The quality of sediments in the Tisa River was on the border line between potentially polluted and polluted. This line could very easily be exceeded since the quality of sediments in the Tisa River in Hungary was already worse than in Serbia. These results indicated the need for further monitoring of heavy metals in that locality.",
publisher = "Springer Heidelberg, Heidelberg",
journal = "Environmental Science and Pollution Research",
title = "Distribution and fractionation of heavy metals in the Tisa (Tisza) River sediments",
volume = "14",
number = "4",
pages = "229-236",
doi = "10.1065/espr2006.05.304"
}

Sakan, S., Gržetić, I.,& Đorđević, D.. (2007). Distribution and fractionation of heavy metals in the Tisa (Tisza) River sediments. in Environmental Science and Pollution Research
Springer Heidelberg, Heidelberg., 14(4), 229-236.
https://doi.org/10.1065/espr2006.05.304

Sakan S, Gržetić I, Đorđević D. Distribution and fractionation of heavy metals in the Tisa (Tisza) River sediments. in Environmental Science and Pollution Research. 2007;14(4):229-236.
doi:10.1065/espr2006.05.304 .

Sakan, Sanja, Gržetić, Ivan, Đorđević, Dragana, "Distribution and fractionation of heavy metals in the Tisa (Tisza) River sediments" in Environmental Science and Pollution Research, 14, no. 4 (2007):229-236,
https://doi.org/10.1065/espr2006.05.304 . .