Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates
T.O. Kozlova
1
,
E. Yu. Khvorostinin
2
,
A A Rodionova
2
,
D.N. Vasilyeva
1, 3
,
A E Baranchikov
1
,
Publication type: Journal Article
Publication date: 2023-11-01
scimago Q3
wos Q4
SJR: 0.270
CiteScore: 3.0
Impact factor: 1.5
ISSN: 00360236, 15318613
Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Science (miscellaneous)
Abstract
The sorption properties of amorphous cerium(IV) hydrogen phosphate and crystalline phases NH4Ce2(PO4)3, (NH4)2Ce(PO4)2·H2O, and Ce(OH)PO4 towards the 243Am(III), 232Th(IV), 237Np(V), and 233, 238U(VI) radionuclides were studied in aqueous media at pH 1, 4, 7, and 10 for 24 h. The highest degree of sorption (up to 100%) was found for amorphous cerium(IV) hydrogen phosphate. The pH dependences of radionuclide sorption for crystalline compounds were shown to be similar to one another: the highest sorption was observed at pH 7 (up to 100% for 243Am(III)), while the lowest values were observed for pH 10 and 1. An exception was provided by 237Np(V), the sorption of which was close to zero in the pH range of 1–7 and reached 60% at pH 10. Keeping amorphous and crystalline cerium(IV) phosphates in acid medium leads to quantitative desorption of all of the tested radionuclides within the first 5 h.
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Kozlova T. et al. Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates // Russian Journal of Inorganic Chemistry. 2023. Vol. 68. No. 11. pp. 1503-1510.
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Kozlova T., Khvorostinin E. Y., Rodionova A. A., Vasilyeva D., Baranchikov A. E., Ivanov V. Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates // Russian Journal of Inorganic Chemistry. 2023. Vol. 68. No. 11. pp. 1503-1510.
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RIS
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TY - JOUR
DO - 10.1134/s0036023623601964
UR - https://link.springer.com/10.1134/S0036023623601964
TI - Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates
T2 - Russian Journal of Inorganic Chemistry
AU - Kozlova, T.O.
AU - Khvorostinin, E. Yu.
AU - Rodionova, A A
AU - Vasilyeva, D.N.
AU - Baranchikov, A E
AU - Ivanov, V.K.
PY - 2023
DA - 2023/11/01
PB - Pleiades Publishing
SP - 1503-1510
IS - 11
VL - 68
SN - 0036-0236
SN - 1531-8613
ER -
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@article{2023_Kozlova,
author = {T.O. Kozlova and E. Yu. Khvorostinin and A A Rodionova and D.N. Vasilyeva and A E Baranchikov and V.K. Ivanov},
title = {Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates},
journal = {Russian Journal of Inorganic Chemistry},
year = {2023},
volume = {68},
publisher = {Pleiades Publishing},
month = {nov},
url = {https://link.springer.com/10.1134/S0036023623601964},
number = {11},
pages = {1503--1510},
doi = {10.1134/s0036023623601964}
}
Cite this
MLA
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Kozlova, T.O., et al. “Sorption of Radionuclides on Amorphous and Crystalline Cerium(IV) Phosphates.” Russian Journal of Inorganic Chemistry, vol. 68, no. 11, Nov. 2023, pp. 1503-1510. https://link.springer.com/10.1134/S0036023623601964.