The pKa1 and pKa2 values relating to the dissociation of Dithiodiglycolic acid have been determined at different temperatures 20°. 30° and 40°C and ionic strengths 0.1. 0.2. 0.5 and 1.0 M KN03 in aqueous media and also in aqua-organic solvents. viz. DMSO. DMF. acetonitrile. isopropanol. ethanol and methanol by employing Albert Serjeant method as refined by Noyes and Irving Rosotti method. From the variation of pK 1 and pK 2 with temperature.The values of free energy. enthalpy and entropy of dissociation are also evaluated and discussed.
R S SAXENA ,S SHARMA ,K K SAXENA ,
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