Abstract
Uranium oxide was dissolved in the form of the uranyl peroxo-carbonato complex ion, UO2(O2)(CO3) 4−2 in carbonate solutions with hydrogen peroxide. When UO2(O2)(CO3) 4−2 ions lose their peroxide component, they become a stable species of uranyl tricarbonato complex ion, UO2(O2)(CO3) 4−2 . 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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Acknowledgments
This work was supported by National Research Foundation of Korea (NRF) Grants funded by the Korean government (MSIP) (No. NRF-2012M2A8A5025658 and NRF-2012M2B2B1055500).
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Chung, DY., Park, MS., Lee, KY. et al. Decomposition of uranyl peroxo-carbonato complex ion in the presence of metal oxides in carbonate media. J Radioanal Nucl Chem 306, 761–768 (2015). https://doi.org/10.1007/s10967-015-4196-0
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DOI: https://doi.org/10.1007/s10967-015-4196-0