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Solvent extraction of alkali metal ion-pairs into nitrobenzene from aqueous-organic solutions

  • Solvent Extraction
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Abstract

Solvent extraction of137Cs,86Rb and42K by dipicrylaminate and tetraphenyl borate into nitrobenzene was studied from solutions containing various solvents miscible with water. In all cases the distribution ratios of alkali metals were lower in mixed solutions than in water. In discussing the results, water structure, ion-association, solubility of Cs(I) ionpairs, ionic strength, and organic phase effects were taken into account.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Institute of Chemical Technology, 56, Sofia, (Bulgaria)

    M. Koeva

  2. Department of Inorganic Chemistry, J.E. Purkyně University, Kotlářská 2, 611 37, Brno, (Czechoslovakia)

    J. Hála

Authors
  1. M. Koeva
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  2. J. Hála
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Additional information

Part III in the series Solvent Extraction of Ion-pairs. Part II. Ref.8

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Koeva, M., Hála, J. Solvent extraction of alkali metal ion-pairs into nitrobenzene from aqueous-organic solutions. J. Radioanal. Chem. 51, 71–84 (1979). https://doi.org/10.1007/BF02519925

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  • DOI: https://doi.org/10.1007/BF02519925

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