The use of14C,59Fe and65Ni radionuclides for the study of solvent effects on the extraction equilibria with n-caprylic acid |
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| Authors: | A I Kholkin L M Gindin K S Luboshnikova P Mühl K Gloe |
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| Institution: | (1) Institute of Inorganic Chemistry, Sibirian Branch of the Academy of Science of the USSR, Novosibirsk, (USSR);(2) Central Institute of Solid State Physics and Material Research, Academy of Science of GDR, Dresden, (GDR) |
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| Abstract: | The distribution of n-caprylic acid between an aqueous sodium sulphate solution and several organic diluents of various properties
has been investigated, using14C-labelled n-caprylic acid. The distribution coefficients of the monomeric capyrlic acid and its dimerization constants in
the organic phase were determined. The extraction of Fe(III) and Ni(II) with n-caprylic acid solutions in various diluents
was studied using the AKUFVE solvent extraction equipment. The composition of the extracted compound of Fe(III) has been determined
and the extraction constants for all the studied systems have been calculated. For the extraction of Ni(II) the constants
of the extraction of nickel caprylate monomers and its dimerization constants in the organic phase have been calculated. |
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