• Synergism in the extraction of europium in the presence of alkylphosphates and sulphoxides

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    • Keywords


      Synergism; europium; extraction; alkyl phasphorus donors; sulphoxides: electron density; equilibrium constants

    • Abstract


      Synergism in the extraction of europium(III) has been investigated using a mixture of naphthoyltrifluoroacetone and synergists like trioctylphosphine-oxide (TOPO), tributylphosphate (TBP), trihexylphosphate (THP), diphenylsulphoxide (DPSO) and benzylsulphoxide (BSO). Synergism decreases in the order: TOPO < TBP ≃THP < BSO < DPSO indicating a correlation between electron density at the donor atom and extent of synergism. The equilibrium constants for adduct formation have also been evaluated.

    • Author Affiliations


      M Sudersanan1 A K Sundaram1

      1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, Bombay - 400 085, India
    • Dates

  • Journal of Chemical Sciences | News

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