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Solvent extraction of Hf(IV) and Zr(IV) with some 1-phenyl-3-methyl-4-acylpyrazolones-5

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Abstract

The distribution of Hf, Zr and Nb between aqueous solutions of mineral acids and solutions of 1-phenyl-3-methyl-4-acylpyrazolones-5 (acyl=acetyl, ethoxycarbonyl, butyryl, capronyl, capryl and benzoyl) in various organic solvents has been studied. The dependence of the distribution ratio of metal on the acidity of the aqueous phase, the analytical concentrations of reagents and metals, and on the organic solvent was investigated. The composition of the complex extracted is MeP4 for Hf and Zr. The conditions for the separation of Zr, Hf and Nb are defined, and a comparison is made with extractions by means of thenoyltrifluoroacetone.

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Author notes

  1. O. Navrátil

    Present address: Radiochem. Dept., Purkyne University, Brno, Czechoslovakia

Authors and Affiliations

  1. Danish Atomic Energy Research Establishment Risø, Roskilde, Denmark

    O. Navrátil & B. S. Jensen

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  1. O. Navrátil
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  2. B. S. Jensen
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Navrátil, O., Jensen, B.S. Solvent extraction of Hf(IV) and Zr(IV) with some 1-phenyl-3-methyl-4-acylpyrazolones-5. J. Radioanal. Chem. 5, 313–322 (1970). https://doi.org/10.1007/BF02513848

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  • DOI: https://doi.org/10.1007/BF02513848

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