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«IZVESTIYA IRKUTSKOGO GOSUDARSTVENNOGO UNIVERSITETA». SERIYA «BIOLOGIYA. ECOLOGIYA»
«THE BULLETIN OF IRKUTSK STATE UNIVERSITY». SERIES «BIOLOGY. ECOLOGY»
ISSN 2073-3372 (Print)

List of issues > Series «Biology. Ecology». 2021. Vol 37

Changes in the Fractional Composition of Heavy Metals under Monoelemental Contamination of Alluvial Soils

Author(s)
S. B. Sosorova, E. G. Tsyrempilov
Abstract
The forms of Cd, Pb, and Zn compounds in alluvial soils were studied on the basis of sequential chemical fractionation according to the modified Tessier scheme. It is established that most of the studied elements are fixed in the composition of strongly bonded compounds. When lead is contaminated, the initial ratio of the forms of Cd, Zn elements changes slightly, and Pb - significantly. Their accumulation in the most mobile forms is noted. The different ability of the studied soils to fix lead is shown. It is revealed that the main mechanism of lead fixation in polluted soils is ion exchange absorption.
About the Authors

Sosorova Soelma Batozargalovna, Candidate of Sciences (Biology),Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670037, Russian Federation, e-mail: soelma_sosorova@mail.ru

Tsyrempilov Enkhe Galsanovich, Candidate of Sciences (Biology),Junior Research Scientist, Institute of General and Experimental Biology SB RAS, 6, Sakhyanova st., Ulan-Ude, 670037, Russian Federation, e-mail: enhetsyrempilov@mail.ru

For citation
Sosorova S.B., Tsyrempilov E.G. Changes in the Fractional Composition of Heavy Metals under Monoelemental Contamination of Alluvial Soils. The Bulletin of Irkutsk State University. Series Biology. Ecology, 2021, vol. 37, pp. 101-110. https://doi.org/10.26516/2073-3372.2021.37.101 (in Russian)
Keywords
heavy metals, fractions, cadmium, lead, zinc, pollution.
UDC
631.416
DOI
https://doi.org/10.26516/2073-3372.2021.37.101
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