Sequential Extraction of Plutonium from the Bottom Sediments of PA Mayak’s R-4 and R-17 Reservoirs

The speciation of 238, 239, 240 Pu in the bottom sediments of two reservoirs of PA Mayak are investigated. The maximum content of plutonium in reservoir R-17 is found in the residual fraction. In reservoir R-4, plutonium is distributed equally in the residual fraction and the fraction bound to organ...

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Bibliographic Details
Published in:Moscow University chemistry bulletin 2020-03, Vol.75 (2), p.125-129
Main Authors: Rozhkova, A. K., Kangina, O. A., Kuzmenkova, N. V., Pryakhin, E. A., Mokrov, Y. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Organic matter
Plutonium
Reservoirs
Sediments
Speciation
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Summary:The speciation of 238, 239, 240 Pu in the bottom sediments of two reservoirs of PA Mayak are investigated. The maximum content of plutonium in reservoir R-17 is found in the residual fraction. In reservoir R-4, plutonium is distributed equally in the residual fraction and the fraction bound to organic matter. The fact that plutonium exists in physico-chemically immobile fractions indicate its low biological availability.
ISSN:0027-1314
1935-0260
DOI:10.3103/S0027131420020121