Abstract
The radioisotope compositions, structure, and behavior of “hot” particles under the natural conditions of the Yenisei River in the nearby influence zone of Krasnoyarsk mining and chemical combine were examined in this study. By the composition of gamma-radiating isotopes, all particles are divided into three groups: mono-isotopic, bi-isotopic and poly-isotopic. Mono-isotopic “hot” particles, containing only 60Co were discovered for the first time. Transuranium elements (241Am and 243Cm) were revealed in poly-isotopic particles. Investigation of poly-isotopic particles by means of a scan electron microscope showed that the presence of UO2 together with the lack of activation of 152Eu testifies to the reactor origin of this particle. Experiments showed that in natural conditions “hot” particles under the influence of filtrating water and moisture of pore solutions are gradually dissolved and radionuclides are repeatedly drawn into migration.
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Original Russian Text © A.V. Chuguevskii, F.V. Sukhorukov, M.S. Mel’gunov, I.V. Makarova, A.T. Titov, 2010, published in Doklady Akademii Nauk, 2010, Vol. 430, No. 1, pp. 102–104.
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Chuguevskii, A.V., Sukhorukov, F.V., Mel’gunov, M.S. et al. “Hot” particles of the Yenisei River: Radioisotope composition, structure, and behavior in natural conditions. Dokl. Earth Sc. 430, 51–53 (2010). https://doi.org/10.1134/S1028334X10010113
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DOI: https://doi.org/10.1134/S1028334X10010113