STUDY ON SYNERGISTIC EXTRACTION OF URANIUM ( VI ) WITH 1,9-BIS(1'-PHENYL-3'-METHYL-5'-OXOPYRAZOL-4'-YL)- 1,9-NONANEDIONE AND NEUTRAL PHOSPHORUS- BASED EXTRACTANTS[J]. Journal of Nuclear and Radiochemistry, 1992, 14(1): 31-31.
    Citation: STUDY ON SYNERGISTIC EXTRACTION OF URANIUM ( VI ) WITH 1,9-BIS(1'-PHENYL-3'-METHYL-5'-OXOPYRAZOL-4'-YL)- 1,9-NONANEDIONE AND NEUTRAL PHOSPHORUS- BASED EXTRACTANTS[J]. Journal of Nuclear and Radiochemistry, 1992, 14(1): 31-31.

    STUDY ON SYNERGISTIC EXTRACTION OF URANIUM ( VI ) WITH 1,9-BIS(1'-PHENYL-3'-METHYL-5'-OXOPYRAZOL-4'-YL)- 1,9-NONANEDIONE AND NEUTRAL PHOSPHORUS- BASED EXTRACTANTS

    • In this paper,the behaviour of synergistic extraction by 1,9-bis(1'-phenyl-3'-methyl-5'-oxopyra-zol-4'-yl)-1,9-nonanedione(simplified as H2A) and neutral phosphorus-based extractants (simplified as B) for uranium ( VI ) is investigated. By using slope analysis method the formula of the extracted complexes are shown to be UO2A·B (B represents TPPO and TOPO,respectively). The synergistic extraction equibrium constants are calculated. The solid extracted complexes are prepared with extraction methods. The compounds are studied by elemental analysis, UV, IR and 1HNMR spectroscopy.
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