Extraction of uranium(VI) with N,N,N′,N′-tetrabutylmalonamide and N,N,N′,N′-tetrahexylmalonamide |
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| Authors: | Meng Bao Guo-Xin Sun |
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| Affiliation: | (1) Department of Applied Chemistry, Institute of Shangdong Building Materials Industry, 250022 Jinan, P.R. China;(2) Shanghai Institute of Nuclear Research, The Chinese Academy of Sciences, P.O. Box 800-204, 201800 Shanghai, P.R. China |
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| Abstract: | A new diamide N,N,N′,N′-tetrahexylmalonamide (THMA) was synthesized, characterized and used in the extraction of U(VI) from nitric acid solutions. N,N,N′,N′-tetrabutylmalonamide (TBMA) was also studied to test the steric hindrance. Factors affecting this extraction system, the concentration of the extractant, aqueous nitric acid and NaNO3 and the temperature were investigated. The IR spectral study was also made of the extracted species. |
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