• Roma Lahiri

      Articles written in Journal of Chemical Sciences

    • Effect of several auxiliary ligands on the extraction of cadmium (II) with 2-thenoyltrifluoroacetone

      G N Rao Roma Lahiri

      More Details Abstract Fulltext PDF

      The effect of tributylphosphate (tbp), trioctylphosphineoxide (topo), pyridine (py) and some derivative bases of pyridine as auxiliary ligands on the extraction of cadmium (II) by 2-thenoyltrifluoroacetone (tta) from an aqueous-buffered solution into benzene was studied. A synergistic enhancement was observed in all the systems. The equilibrium constant and adduct formation constant have been calculated. The results showed that the synergistic extraction was attributable to the formation of the base adducts Cd (tta)2 B and Cd(TTA)2 B2. The main factor affecting the stability of the adduct was considered to be the base strength of the synergist.

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