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Determination of end-points in hydrolytic potentiometric titrations in Ca2+ -F- system

Danilo Dobčnik, Darinka Brodnjak-Vončina

Abstract

Mathematical modelling of a multi-component titration system of hydrolytic titrations of metal ions is described. A comparison of the calculated and experimental titration curves and end volumes in the Ca2+ -F- system at different pH values of titrated solutions is presented. The determination of the end-point of titrations by several approximation and mathematical methods is described.

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Key concepts: Potentiometric titration, Titration, Titration curve, Gran plot, Chemistry, End point, Hydrolysis, Analytical Chemistry (journal)