Research into speciation of 238U in the radioactively contaminated water streams

Zh. Ye. Tleukanova, Almira Aidarkhanova, A. S. Mamyrbayeva, Субботин Сергей Борисович

2025

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DOI 10.1007/s10967-025-10134-x
Data confidence 70 medium
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Abstract

The feature of environmental radioactive contamination at the STS is significant levels of surface water contamination, including 238 U. As a result of the work, data was obtained on 238 U speciation in the water bodies of the “Degelen” site. A dissolved substance was found to be the predominant speciation of 238 U depending on the particle size. Speciation by the oxidation rate in the water of adit 503 and 504, over 90% of 238 U is + 6. In the waters of adit 609 and 104, 52% and 64% of 238 U is in the oxidation state of + 6, 48% and 36% to + 4.