Thermodynamics of mixed electrolyte solutions. XI. An isopiestic study of the quaternary system NaCl-KCl-CaCl2-H2O at 25°C

D. Saad; J. Padova; Y. Marcus

doi:10.1007/BF00644551

Thermodynamics of mixed electrolyte solutions. XI. An isopiestic study of the quaternary system NaCl-KCl-CaCl₂-H₂O at 25°C

D. Saad^*
, J. Padova
, Y. Marcus

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Osmotic and activity coefficients in the aqueous quaternary system sodium chloride-potassium chloride-calcium chloride were derived from isopiestic measurements at 25°C. The isopiestic data were treated by the various procedures of Scatchard, Friedman, and Reilly, Wood, and Robinson. The results obtained showed good agreement with those obtained by pseudo-ternary transforms. Interaction parameters obtained indicated the preponderance of pairwise interactions. Excess Gibbs free energies of mixing were calculated.

Original language	English
Pages (from-to)	259-268
Number of pages	10
Journal	Journal of Solution Chemistry
Volume	9
Issue number	4
DOIs	https://doi.org/10.1007/BF00644551
State	Published - Apr 1980

Keywords

Activity coefficients
NaCl:KCl:CaCl
excess Gibbs free energy of mixing
interaction parameters
osmotic coefficients

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10.1007/BF00644551

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abstract = "Osmotic and activity coefficients in the aqueous quaternary system sodium chloride-potassium chloride-calcium chloride were derived from isopiestic measurements at 25°C. The isopiestic data were treated by the various procedures of Scatchard, Friedman, and Reilly, Wood, and Robinson. The results obtained showed good agreement with those obtained by pseudo-ternary transforms. Interaction parameters obtained indicated the preponderance of pairwise interactions. Excess Gibbs free energies of mixing were calculated.",

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N2 - Osmotic and activity coefficients in the aqueous quaternary system sodium chloride-potassium chloride-calcium chloride were derived from isopiestic measurements at 25°C. The isopiestic data were treated by the various procedures of Scatchard, Friedman, and Reilly, Wood, and Robinson. The results obtained showed good agreement with those obtained by pseudo-ternary transforms. Interaction parameters obtained indicated the preponderance of pairwise interactions. Excess Gibbs free energies of mixing were calculated.

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KW - excess Gibbs free energy of mixing

KW - interaction parameters

KW - osmotic coefficients

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Thermodynamics of mixed electrolyte solutions. XI. An isopiestic study of the quaternary system NaCl-KCl-CaCl₂-H₂O at 25°C

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Keywords

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