Study of the state of uranoarsenates MII(AsUO6)2·nH2O(MII = Mn2+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, Pb2+) in aqueous solutions

被引：0
|
作者：
N. G. Chernorukov
O. V. Nipruk
Yu. P. Pykhova
N. S. Godovanova
机构：
[1] Lobachevskii Nizhnii Novgorod State University,
来源：
Russian Journal of General Chemistry | 2012年 / 82卷
关键词：
Arsenic; Uranium; General Chemistry; Solubility Product; Saturated Aqueous Solution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
State of uranoarsenates MII(AsUO6)2·nH2O (MII = Mn, Co, Ni, Cu, Zn, Cd, Pb) in aqueous solutions in a wide range of acidity (pH 0–14) was studied. Acid-base boundaries of existence of the compounds were estimated, products of conversion were identified, and solubility of MII(AsUO6)2·nH2O was determined. On the basis of the obtained data the solubility products and Gibbs functions of formation of uranoarsenates, and the solubility curves were calculated, phase diagrams of uranium(VI) and arsenic(V) in solutions and in equilibrium solid phases were constructed with the use of the equilibrium thermodynamics technique.
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页码：1348 / 1356
页数：8
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