Discription of a New Calculation Method for Determination of Stoichiometric Dissociation Constants of WeakAcid in Salt Solutions from Potentiometric Titration Data

Abstract

A recently developed calculation method to determine stoichiometric dissociation constants of weak acids from potentiometric titration data is described. The titration data from three different weak acids in aqueous salt solutions at 25 °C were used as examples of the use of the method. The salt alone determined the ionic strength of the solutions considered in this study, and salt molalities up to 0,5 mol kg -1 were used.