Partitioning of uranium in contaminated bottom sediments: The meaning of fractionation
Anna Romanchuk
1
,
Irina Vlasova
1
,
Anna S Semenkova
1
,
Roman Svetogorov
2
,
Vasiliy O. Yapaskurt
1
,
Evgeny N Paretskov
3
,
Stepan N. Kalmykov
4, 5
3
FSUE Mining and Chemical Combine, Zheleznogorsk, Krasnoyarsk Region, Russia.
|
Publication type: Journal Article
Publication date: 2021-04-01
scimago Q2
wos Q3
SJR: 0.626
CiteScore: 4.2
Impact factor: 2.1
ISSN: 0265931X, 18791700
PubMed ID:
33493873
General Medicine
Environmental Chemistry
Health, Toxicology and Mutagenesis
Pollution
Waste Management and Disposal
Abstract
Sequential extraction tests were used to study partitioning of U in the bottom sediments of two reservoirs that have been used for the temporary storage of nuclear waste at the "Mining and Chemical Combine" (Zheleznogorsk, Krasnoyarsk region, Russia). Various sequential extraction protocols were applied to the bottom sediment samples and the results compared with those obtained for laboratory-prepared simulated samples with different speciation and partitioning, e.g., U(VI) sorbed onto various inorganic minerals and organic matter, as well as uranium oxides. The distributions of uranium in fractions extracted from simulated and actual contaminated samples were compared to shed light on the speciation of U in the bottom sediments. X-ray absorption spectroscopy, X-ray diffraction, and scanning electron microscopy were also used to analyze the partitioning of U in contaminated sediments. We also compared the results obtained using the spectroscopic and microscopic techniques, as well as sequential extraction.
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Rzhevskaia A. V. et al. Partitioning of uranium in contaminated bottom sediments: The meaning of fractionation // Journal of Environmental Radioactivity. 2021. Vol. 229-230. p. 106539.
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Rzhevskaia A. V., Romanchuk A., Vlasova I., Semenkova A. S., Trigub A. L., Svetogorov R., Yapaskurt V. O., Paretskov E. N., Kalmykov S. N. Partitioning of uranium in contaminated bottom sediments: The meaning of fractionation // Journal of Environmental Radioactivity. 2021. Vol. 229-230. p. 106539.
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TY - JOUR
DO - 10.1016/J.JENVRAD.2021.106539
UR - https://linkinghub.elsevier.com/retrieve/pii/S0265931X21000114
TI - Partitioning of uranium in contaminated bottom sediments: The meaning of fractionation
T2 - Journal of Environmental Radioactivity
AU - Rzhevskaia, Aleksandra V
AU - Romanchuk, Anna
AU - Vlasova, Irina
AU - Semenkova, Anna S
AU - Trigub, Alexander L.
AU - Svetogorov, Roman
AU - Yapaskurt, Vasiliy O.
AU - Paretskov, Evgeny N
AU - Kalmykov, Stepan N.
PY - 2021
DA - 2021/04/01
PB - Elsevier
SP - 106539
VL - 229-230
PMID - 33493873
SN - 0265-931X
SN - 1879-1700
ER -
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BibTex (up to 50 authors)
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@article{2021_Rzhevskaia,
author = {Aleksandra V Rzhevskaia and Anna Romanchuk and Irina Vlasova and Anna S Semenkova and Alexander L. Trigub and Roman Svetogorov and Vasiliy O. Yapaskurt and Evgeny N Paretskov and Stepan N. Kalmykov},
title = {Partitioning of uranium in contaminated bottom sediments: The meaning of fractionation},
journal = {Journal of Environmental Radioactivity},
year = {2021},
volume = {229-230},
publisher = {Elsevier},
month = {apr},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0265931X21000114},
pages = {106539},
doi = {10.1016/J.JENVRAD.2021.106539}
}