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Chemistry for Sustainable Development

2012 year, number 2

Lead and Mercury Distribution in the Peat Deposits of West Siberia (Vasyuganye Peat Bogs)

E. E. VERETENNIKOVA and E. A. GOLOVATSKAYA
Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch of the Russian Academy of Sciences,
Pr. Akademicheskiy 10/3, Tomsk 634055 (Russia)
lena2701@yandex.ru
Keywords: lead, mercury, peat deposits, West Siberia
Pages: 143–149

Abstract

Results are presented concerning the determination of lead and mercury total content in oligotrophic peat bog deposits in West Siberia. It is demonstrated that the current level of atmospheric lead fall-out is insignificant, the lead concentration in the upper layers of peat deposits are far below the level of background values established for other territories. Data concerning the mercury concentrations are comparable with those obtained earlier for other background areas. The distribution of elements depending on the physical and chemical properties of peat was revealed. A selective absorption of heavy metals by the humic and fulvic acids of peat organic matter was found to occur.