Volume 37, Number C1, February 2002ECORAD 2001: The Radioecology - Ecotoxicology of Continental and Estuatine Environments
|Page(s)||C1-259 - C1-264|
|Published online||14 October 2009|
Distribution and mobility of 137Cs, 90Sr, 239,240Pu and 241 Am in solid phase-interstitial soil solution system
Belarusian State University, Radiochemistry Laboratory, F. Skoriny Ave. 4, 220050 Minsk, Belarus
Analysis of the migratory properties of 137Cs, 90Sr, 239,240Pu and 241Am in different kinds of mineral and organic soils has been carried out. The radionuclide distribution coefficient between solid and interstitial water phases of soil was used as a parameter of radionuclide mobility. Redistribution of radionuclides in the soil profile, soil-plant, soil-environmental water systems to a great extent depends on this parameter. Determinations of 137Cs, 90Sr, 239,240Pu and 241Am in soils, interstitial soil solutions and estimation of distribution coefficients have been realized. The soil samples were taken in areas of Gomel, Mogilev and Brest regions of Belarus that were contaminated with radionuclides of Chernobyl origin. The influence of exchangeable radionuclide forms and moisture capacity of soil and such characteristics of the water phase as concentration of chemical analogs of radionuclides, organic matter and other components on distribution of 137Cs, 90Sr, 239,240Pu and 241Am in solid phase-interstitial water system has been analyzed.
© EDP Sciences, 2002
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