Extraction of uranium(VI) with bis(octylsulfinyl)methane |
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| Authors: | Yang Yan-Zhao Sun Si-Xiu Zhang Lei Yang Yong-Hui Bao Bo-Rong |
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| Institution: | (1) Department of Chemistry, Shandong University, Jinan, P.R. China;(2) Shanghai Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai, P.R. China |
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| Abstract: | The liquid-liquid extraction of uranium(VI) from aqueous nitric acid with bis(octylsulfinyl)methane (BOSM) has been studied
over a wide range of conditions. The extracted species appear to be UO2(NO3)2·2BOSM. It was found that the extraction increased with increasing nitric acid concentration up to 8.5 mol/l and then descreased.
Extraction also increased with increasing extractant concentration. The influence of temperature and salting-out agent concentration
on the extraction equilibrium has also been investigated, and the enthalpy of the extraction reaction was estimated. |
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