Decomposition of uranyl peroxo-carbonato complex ion in the presence of metal oxides in carbonate media

被引：0
|
作者：
Dong-Yong Chung
Min-Sung Park
Keun-Young Lee
Eil-Hee Lee
Kwang-Wook Kim
Jei-Kwon Moon
机构：
[1] Korea Atomic Energy Research Institute,Decontamination & Decommissioning Research Division
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2015年 / 306卷
关键词：
Decomposition; Hydrogen peroxide; Uranyl peroxo-carbonato complex; Metal oxide; Carbonate solution;
D O I：
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中图分类号：
学科分类号：
摘要：
Uranium oxide was dissolved in the form of the uranyl peroxo-carbonato complex ion, UO2(O2)(CO3)24− in carbonate solutions with hydrogen peroxide. When UO2(O2)(CO3)24− ions lose their peroxide component, they become a stable species of uranyl tricarbonato complex ion, UO2(O2)(CO3)24−. The uranyl peroxo-carbonato complex self-decomposed more rapidly into the uranyl tricarbonato complex ion in the presence of a metal oxide in the carbonate solution. In this study, decomposition of the uranyl peroxo-carbonato complex in a carbonate solution was investigated in the presence of several metal oxides using absorption spectroscopy.
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页码：761 / 768
页数：7
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