期刊
RADIOCHEMISTRY
卷 61, 期 5, 页码 520-528出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1066362219050023
关键词
uranovanadates; d-transition elements; solubility; speciation diagrams; conversion
资金
- Ministry of Education and Science of the Russian Federation [4.5706.2017/BCh]
The state of uranovanadates A(II)(VUO6)(2)center dot nH(2)O (A(II) = Mn, Fe, Co, Ni, Cu, Zn, Cd) in aqueous solutions in a wide range of solution acidity was studied. The solubility of A(II)(VUO6)(2)center dot nH(2)O and the acid-base intervals of the existence of compounds in aqueous solutions were determined, and the conversion products were identified. From the data obtained, the Gibbs functions of formation of uranovanadates and the solubility curves of the compounds were calculated, and the speciation diagrams of U(VI) and V(V) in aqueous solutions and equilibrium solid phases were constructed.
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