Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period
Elektrohemijsko ispitivanje uticaja pirokatehola na Bray-Liebhafsky reakciju nakon oscilatornog perioda
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Thanks to the great sensitivity of oscillating reactions to external perturbations, which primarily refers to different analyte addition, chemical oscillators have become very popular for analytic determination of “reactive” analytes, and thus expand their use to many areas, such as environmental, pharmacy, food science etc. This paper aims at an electrochemical examination of the pyrocatechol (analyte) influence on the Bray-Liebhafsky (BL) reaction after the oscillatory period, precisely after six regular oscillations. Pyrocatechol addition provokes the appearance of one more BL oscillation after the second induction period. For investigated BL system, in a range of pyrocatechol concentrations from 2.7 × 10-6 M to 1.2 × 10-4 M, the period between sixth and seventh oscillations shows linear dependence with added pyrocatechol concentration. The obtained regression equation can be a useful tool for analytical purposes and accordingly, potential determination of unknown pyrocatechol conce...ntration.
Zahvaljujući velikoj osetljivosti oscilatornih reakcija na spoljne perturbatore, koja se prvenstveno odnosi na dodavanje različitih analita, hemijski oscilatori postali su vrlo popularni za analitičko određivanje „reaktivnih“ analita, proširivši svoju primenu na mnoge naučne grane, poput zaštite zivotne sredine, farmacije, nauke o hrani itd. Ovaj rad ima za cilj elektrohemijsko ispitivanje uticaja pirokatehola (analita) na Bray-Liebhafsky (BL) reakciju nakon oscilatornog perioda, odnosno nakon šest pravilnih oscilacija. Dodatak pirokatehola izaziva pojavu još jedne BL oscilacije nakon drugog indukcionog perioda. Za ispitivani BL sistem, u opsegu koncentracija pirokatehola od 2,7 × 10-6 M do 1,2 × 10-4 M, period između šeste i sedme oscilacije pokazuje linearnu zavisnost od koncentracije dodatog pirokatehola. Dobijena kalibraciona jednačina se može koristiti u analitičke svrhe i shodno tome, za potencijalno određivanje nepoznate koncentracije pirokatehola.
Кључне речи:
Bray-Liebhafsky reakcija / Oscilatorna reakcija / elektrohemijska merenja / zastita životne sredine / pirokatehol / Bray-Liebhafsky reaction / oscillatory reaction / pyrocatechol / electrochemical measurements / environmental protectionИзвор:
Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija, 2021, 248-Издавач:
- Belgrade : Serbian Society of Corrosion and Materials Protection UISKOZAM
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200146 (Универзитет у Београду, Факултет за физичку хемију) (RS-MESTD-inst-2020-200146)
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200026 (Универзитет у Београду, Институт за хемију, технологију и металургију - ИХТМ) (RS-MESTD-inst-2020-200026)
- The Ministry of Education, Science and Technological Development of the Republic of Serbia, projekt no: 451-03-9/2021
Напомена:
- XII YuCorr International Conference, September 13-16, 2021, Tara Mountain, Serbia, http://sitzam.org.rs/YUCORR/
Институција/група
IHTMTY - CONF AU - Maksimović, Jelena AU - Pagnacco, Maja PY - 2021 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4889 AB - Thanks to the great sensitivity of oscillating reactions to external perturbations, which primarily refers to different analyte addition, chemical oscillators have become very popular for analytic determination of “reactive” analytes, and thus expand their use to many areas, such as environmental, pharmacy, food science etc. This paper aims at an electrochemical examination of the pyrocatechol (analyte) influence on the Bray-Liebhafsky (BL) reaction after the oscillatory period, precisely after six regular oscillations. Pyrocatechol addition provokes the appearance of one more BL oscillation after the second induction period. For investigated BL system, in a range of pyrocatechol concentrations from 2.7 × 10-6 M to 1.2 × 10-4 M, the period between sixth and seventh oscillations shows linear dependence with added pyrocatechol concentration. The obtained regression equation can be a useful tool for analytical purposes and accordingly, potential determination of unknown pyrocatechol concentration. AB - Zahvaljujući velikoj osetljivosti oscilatornih reakcija na spoljne perturbatore, koja se prvenstveno odnosi na dodavanje različitih analita, hemijski oscilatori postali su vrlo popularni za analitičko određivanje „reaktivnih“ analita, proširivši svoju primenu na mnoge naučne grane, poput zaštite zivotne sredine, farmacije, nauke o hrani itd. Ovaj rad ima za cilj elektrohemijsko ispitivanje uticaja pirokatehola (analita) na Bray-Liebhafsky (BL) reakciju nakon oscilatornog perioda, odnosno nakon šest pravilnih oscilacija. Dodatak pirokatehola izaziva pojavu još jedne BL oscilacije nakon drugog indukcionog perioda. Za ispitivani BL sistem, u opsegu koncentracija pirokatehola od 2,7 × 10-6 M do 1,2 × 10-4 M, period između šeste i sedme oscilacije pokazuje linearnu zavisnost od koncentracije dodatog pirokatehola. Dobijena kalibraciona jednačina se može koristiti u analitičke svrhe i shodno tome, za potencijalno određivanje nepoznate koncentracije pirokatehola. PB - Belgrade : Serbian Society of Corrosion and Materials Protection UISKOZAM C3 - Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija T1 - Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period T1 - Elektrohemijsko ispitivanje uticaja pirokatehola na Bray-Liebhafsky reakciju nakon oscilatornog perioda SP - 248 SP - 253 UR - https://hdl.handle.net/21.15107/rcub_cer_4889 ER -
@conference{ author = "Maksimović, Jelena and Pagnacco, Maja", year = "2021", abstract = "Thanks to the great sensitivity of oscillating reactions to external perturbations, which primarily refers to different analyte addition, chemical oscillators have become very popular for analytic determination of “reactive” analytes, and thus expand their use to many areas, such as environmental, pharmacy, food science etc. This paper aims at an electrochemical examination of the pyrocatechol (analyte) influence on the Bray-Liebhafsky (BL) reaction after the oscillatory period, precisely after six regular oscillations. Pyrocatechol addition provokes the appearance of one more BL oscillation after the second induction period. For investigated BL system, in a range of pyrocatechol concentrations from 2.7 × 10-6 M to 1.2 × 10-4 M, the period between sixth and seventh oscillations shows linear dependence with added pyrocatechol concentration. The obtained regression equation can be a useful tool for analytical purposes and accordingly, potential determination of unknown pyrocatechol concentration., Zahvaljujući velikoj osetljivosti oscilatornih reakcija na spoljne perturbatore, koja se prvenstveno odnosi na dodavanje različitih analita, hemijski oscilatori postali su vrlo popularni za analitičko određivanje „reaktivnih“ analita, proširivši svoju primenu na mnoge naučne grane, poput zaštite zivotne sredine, farmacije, nauke o hrani itd. Ovaj rad ima za cilj elektrohemijsko ispitivanje uticaja pirokatehola (analita) na Bray-Liebhafsky (BL) reakciju nakon oscilatornog perioda, odnosno nakon šest pravilnih oscilacija. Dodatak pirokatehola izaziva pojavu još jedne BL oscilacije nakon drugog indukcionog perioda. Za ispitivani BL sistem, u opsegu koncentracija pirokatehola od 2,7 × 10-6 M do 1,2 × 10-4 M, period između šeste i sedme oscilacije pokazuje linearnu zavisnost od koncentracije dodatog pirokatehola. Dobijena kalibraciona jednačina se može koristiti u analitičke svrhe i shodno tome, za potencijalno određivanje nepoznate koncentracije pirokatehola.", publisher = "Belgrade : Serbian Society of Corrosion and Materials Protection UISKOZAM", journal = "Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija", title = "Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period, Elektrohemijsko ispitivanje uticaja pirokatehola na Bray-Liebhafsky reakciju nakon oscilatornog perioda", pages = "248-253", url = "https://hdl.handle.net/21.15107/rcub_cer_4889" }
Maksimović, J.,& Pagnacco, M.. (2021). Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija Belgrade : Serbian Society of Corrosion and Materials Protection UISKOZAM., 248. https://hdl.handle.net/21.15107/rcub_cer_4889
Maksimović J, Pagnacco M. Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period. in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija. 2021;:248. https://hdl.handle.net/21.15107/rcub_cer_4889 .
Maksimović, Jelena, Pagnacco, Maja, "Electrochemical examination of the pyrocatechol influence on the Bray Liebhafsky reaction after the oscillatory period" in Meeting point of the science and practice in the fields of corrosion, materials and environmental protection : proceedings XXII YuCorr International Conference / Stecište nauke i prakse u oblastima korozije, zaštite materijala i životne sredine : knjiga radova XXII YuCorr [Jugoslovenska korozija] Međunarodna konferencija (2021):248, https://hdl.handle.net/21.15107/rcub_cer_4889 .