Abstract

Osmotic coefficients are inferred from vapor pressure osmometry measurements that were performed at T = 298.15 K for ternary amino acid–electrolyte–water systems with variation in the concentrations of amino acid (aminoethanoic acid, glycine) and electrolyte (NaCl) up to high concentrations of aminoethanoic (3 mol·kg–1) and NaCl (3 mol·kg–1). From the consideration of the Gibbs–Duhem equation at mutual data treatment, interparticle interactions in ternary aminoethanoic acid–NaCl–water systems have been deduced in a wide concentration range. A two-parameter fit (third order terms in the power series) according to Bower and Robinson is used for calculation of component activity coefficients.

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