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2,2′-Dipyridyl and 1,10-phenanthroline in the synergetic extraction of Eu3+

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Abstract

The thermodynamics of the extraction of Eu3+ by thenoyltrifluoroacetone (HTTA) and by mixtures of HTTA and bidentate amine bases such as 2,2′-dipyridyl (Dipy) and 1,10-phenanthroline (Phen) in benzene from an aqueous phase fixed to 0.1M ionic strength (NaClO4), pH 3.9, has been investigated. Phenanthroline forms both the Eu(TTA)3·Phen and Eu(TTA)3·2Phen species, which are much stronger than the dipyridyl complexes. The diluent effect on the extraction is also studied.

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Authors and Affiliations

  1. Radioisotope Production and Labelled Compounds Department, Nuclear Research Centre, Atomic Energy Authority, P.O. Code 13 759, Cairo, (Egypt)

    K. Farah

  2. Department of Chemistry, Faculty of Science, Helwan University, Helwan, Cairo, (Egypt)

    A. T. Kandil

Authors
  1. K. Farah
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  2. A. T. Kandil
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Farah, K., Kandil, A.T. 2,2′-Dipyridyl and 1,10-phenanthroline in the synergetic extraction of Eu3+ . Journal of Radioanalytical and Nuclear Chemistry, Articles 157, 177–184 (1992). https://doi.org/10.1007/BF02039789

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  • DOI: https://doi.org/10.1007/BF02039789

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