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Aquatic sediments pollution estimate using the metal fractionation, secondary phase enrichment factor calculation, and used statistical methods

Authorized Users Only
2016
Authors
Sakan, Sanja
Popović, Aleksandar R.
Anđelković, Ivan
Đorđević, Dragana
Article (Published version)
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Abstract
The sequential extraction procedure of the European Community Bureau of Reference (BCR) was applied for the fractionation of Cd, Cr, Cu, Ni, Pb, Zn, Fe, Mn, and V in the Serbian river sediments. The aim of this paper was to describe a new approach in detection of anthropogenic elements in sediments, related to the Serbian river courses in order to assess their metal contamination. For sediment pollution evaluation, the risk assessment code (RAC) and the secondary phase enrichment factor (K-SPEF) were used. Metal fractionation showed more easily mobilized forms predominant for copper, zinc, cadmium, manganese, and lead, which can be one of the indicators for anthropogenic source input. Chromium, nickel, iron, and vanadium found in the residual fraction indicate these metals may be an indicator for natural sources input. Based on RAC classification, results of sediments show no risk (Cr and V), low risk (Ni, Pb, and Fe), medium risk (Cu), high risk (Cd and Zn), and very high risk (Mn). T...he mean values of K-SPEF were Cd > Cu > Zn > Ni > Mn > Pb > Fe > Cr > V, decreasing scale of no to moderately severe enrichment. The sediments were found to be contaminated by heavy metals to various extents, mostly Cd, Cu, and Zn. Research has shown the importance of K-SPEF in quantifying degree of metal enrichment in sediments using results of sequential extraction. With the application of this factor, which is not frequently used in the scientific literature, the results obtained with sequential extraction can be used not only for assessment of mobility but also to quantify the metal pollution.

Keywords:
Heavy metals / Aquatic sediments / Secondary phase enrichment factor / Risk assessment code / Statistical methods
Source:
Environmental Geochemistry and Health, 2016, 38, 3, 855-867
Publisher:
  • Springer, Dordrecht
Projects:
  • The study of physicochemical and biochemical processes in living environment that have impacts on pollution and the investigation of possibilities for minimizing the consequences (RS-172001)
  • Studying climate change and its influence on environment: impacts, adaptation and mitigation (RS-43007)

DOI: 10.1007/s10653-015-9766-0

ISSN: 0269-4042

PubMed: 26385383

WoS: 000376304800015

Scopus: 2-s2.0-84942042589
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19
15
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2021
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