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Reduction of Tl(I)-L-Threonine Complexes in Non-Aqueous Media at Dropping Mercury Electrode

Smita Agrawal and O. D. Gupta

Polarographic studies of thallium(I) with L-threonine in non-aqueous medium (40% DMSO, 40% DMF, 40% ethanol) have been carried out under varying temperatures (308 K, 318 K) and potassium nitrate was used as supporting electrolyte. The reduction was found to be reversible and diffusion controlled and ligand have shown the formation of 1 : 1, 1 : 2 complexes. Values of stability constnats were calculated by using modified DeFord and Hume's method and the mathematical Mihailov's method has been also applied for comparison the stability constant values.