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Synergistic extraction of radium and barium using 1-phenyl-3-methyl-4-benzoylpyrazol-5-one and trioctylphosphine oxide

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Abstract

The extraction of radium and barium into a mixture of 1-phenyl-3-methyl-4-benzoylpyrazol-5-one (HPy) and trioctylphosphine oxide (TOPO) in n-hexane or cyclohexane was investigated as a function of pH and TOPO concentration. It was found that the synergistic enhancement of the extraction is caused by the formation of mixed complexes of type M(Py)2 (TOPO)3 and the overall extraction constants of both complexes were calculated.

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Author notes

  1. Animesh K. Ghose

    Present address: Department of Chemistry, University of Allahabad, 211002, Allahabad, India

Authors and Affiliations

  1. Department of Nuclear Chemistry, Technical University of Prague, Břehová 7, 11519, Prague 1, Czechoslovakia

    Animesh K. Ghose, F. Šebesta & J. Starý

Authors
  1. Animesh K. Ghose
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  2. F. Šebesta
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  3. J. Starý
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Additional information

Research fellow of the UNESCO at Department of Analytical Chemistry, Charles University, Prague.

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Ghose, A.K., Šebesta, F. & Starý, J. Synergistic extraction of radium and barium using 1-phenyl-3-methyl-4-benzoylpyrazol-5-one and trioctylphosphine oxide. J. Radioanal. Chem. 24, 345–351 (1975). https://doi.org/10.1007/BF02518432

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  • DOI: https://doi.org/10.1007/BF02518432

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