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Activity Coefficient Derivatives of Ternary Systems Based on Scatchard’s Neutral Electrolyte Description

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Abstract

Activity coefficient derivatives with respect to molality are presented for the Scatchard Neutral Electrolyte description of a ternary common-ion electrolyte system. These quantities are needed for the calculation of “diffusion Onsager coefficients” and in turn for tests of the Onsager Reciprocal Relations in diffusion. The usually-omitted b 23 term is included. The direct SNE binary approximations and a further approximation are discussed. Binary evaluation strategies other than constant ionic strength are considered.

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  1. Retired, Energy and Environmental Directorate, Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA, 94551, USA

    Donald G. Miller

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Miller, D.G. Activity Coefficient Derivatives of Ternary Systems Based on Scatchard’s Neutral Electrolyte Description. J Solution Chem 37, 365–375 (2008). https://doi.org/10.1007/s10953-007-9236-0

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