Extraction of uranium(IV) and uranium(VI) by primary and tertiary-amines from sulphate solutions |
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| Authors: | R Shanker B Venkataramani and K S Venkateswarlu |
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| Institution: | (1) Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400085 Bombay, India |
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| Abstract: | In developing a method for possible low level isotopic enrichment, which uses to advantage the equilibrium isotope effect
observed during U(1V)-U(VI) electron exchange reaction in sulphate solutions, details of a solvent extraction process involving
high concentration of a mixture of U(IV) and U(VI) and at low acid concentrations, are described. The extraction behaviour
of uranium under these conditions is discussed. During the extraction with amines, U(IV) tended to get oxidised in sulphate
solutions. |
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| Keywords: | Solvent extraction uranium sulphate solutions amines three-stage extraction extraction behaviour |
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