Abstract
The main results of chemical and radiochemical characterization and fractionation of depleted uranium in soils contaminated during the Balkan conflict in 1999 are presented in the paper. Alpha-spectrometric analysis of used depleted uranium material has shown the presence of man-made radioisotopes 236U, 237Np, and 239, 240Pu traces. The fractionation in different soil types was examined by the application of a modified Tessier’s five-step sequential chemical extraction procedure, specifically selective to certain physical/chemical associations. After ion-exchange-based radiochemical separation of uranium, depleted uranium is distinguished from naturally occurring uranium in extracts on the basis of the isotopic activity ratios 234U/238U and 235U/238U and particular substrates for recently present uranium material in soils are indicated.
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Radenković, M.B., Kandić, A.B., Vukanać, I.S. et al. Chemical and radiochemical characterization of depleted uranium in contaminated soils. Russ. J. Phys. Chem. 81, 1448–1451 (2007). https://doi.org/10.1134/S0036024407090191
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DOI: https://doi.org/10.1134/S0036024407090191