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Synergistic solvent extraction of cobalt(III) by acetylacetone mixed with alcohol, ketone, ether and tributyl phosphate from acetate buffer solutions

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Abstract

The extraction of Co(III) has been studied from acetate medium by acetylacetone in CHCl3. The effect of adding different synergetic bases (S) like diisobutyl ketone, dibutyl ether, diisobutyl carbinol and tributyl phosphate was studied. The extracted species is Co(OH)2 (AcAc)·2HAcAc by acetylacetone only while the species formed for the mixed extractants are Co(OH)2 (AcAc)·(HAcAc) (S)n where “n”=1 or 2. The corresponding thermodynamic parameters were determined and discussed.

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Authors and Affiliations

  1. Nuclear Research Center, Nuclear Chemistry Department, Atomic Energy Authority, Cairo, (Egypt)

    H. A. El-Naggar, H. Someda & A. Abdel-Gawad

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  1. H. A. El-Naggar
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  2. H. Someda
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  3. A. Abdel-Gawad
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El-Naggar, H.A., Someda, H. & Abdel-Gawad, A. Synergistic solvent extraction of cobalt(III) by acetylacetone mixed with alcohol, ketone, ether and tributyl phosphate from acetate buffer solutions. Journal of Radioanalytical and Nuclear Chemistry, Articles 157, 159–168 (1992). https://doi.org/10.1007/BF02039787

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  • DOI: https://doi.org/10.1007/BF02039787

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