Polarographic study of mixed ligand complexes:Pb(II)-succinate-imidazole system
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The mixed ligand complexes of succinate (Succ2-) and Imidazole (Im) with Pb(II) have been studied polarographically at constant ionic strength, μ=2.0 (NaNO3) and at pH 6. The system has been studied at constant temperature, 25±0.1°C. The reduction of the complexes at dropping mercury electrode is reversible and diffusion-controlled. Three mixed complexes,viz., [Pb(Succ)(Im)]: [Pb(Succ)(Im)2] and [Pb(Succ)2(Im)]2- are formed.
KeywordsPolarographic study mixed ligand complexes succinate imidazole system
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