The Extraction of U(VI) with N-Octanoyl-2-Methylpiperidine in Toluene |
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| Authors: | Qun Xiang Bo-Rong Bao Zhen Li Jing-Tian Han Shao Hua |
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| Institution: | (1) Department of Chemistry, Shanghai University, Shanghai, P. R. China;(2) Shanghai Institute of Nuclear Research, the Chinese Academy of Sciences, Shanghai, P. R. China |
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| Abstract: | A new extractant, N-octanoyl-2-methylpiperidine (OMPPD) has been synthesized. The extraction of U(VI) with N-octanoyl-2-methylpiperidine (OMPPD) in nitric acid has been studied. The dependence of the partition reaction of U(VI) on the concentrations of nitric acid, extractant, salting-out agent LiNO3, and temperature has been studied. In the light of the results, the extraction mechanism is discussed. The synergistic extracted complexes may be presented as UO2(NO3)2(OMPPD)2 . The related thermodynamic functions were calculated. |
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