Abstract
Vapor pressure was determined by static method at 298.15 K, and the solvent activity values were calculated for the Zn(CH3SO3)2–H2O and Cu(CH3SO3)2–H2O systems. Parameters of the Pitzer–Simonson–Clegg model were obtained from data on the vapor–liquid (VLE) and solid–liquid (SLE) equilibria. Stability parameters of hydrates Zn(CH3SO3)2 · 12H2O, Zn(CH3SO3)2 · 4H2O and Cu(CH3SO3)2 · 4H2O were estimated. Phase diagram fragments were calculated.
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ACKNOWLEDGMENTS
The authors are grateful to Alexei L. Voskov for providing the MATLAB script to calculate activity coefficients and excess Gibbs energy using the Pitzer–Simonson–Clegg model.
Funding
This work was performed as part of the program “Chemical Thermodynamics” (АААА-А16-116061750195-2). It was supported in part by the Russian Foundation for Basic Research, youth project 16-33-00958.
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Belova, E.V., Finkelshteyn, D.I., Maksimov, A.I. et al. Water–Zinc (Copper) Methanesulfonate Systems: Thermodynamic Properties and Phase Equilibria. Russ. J. Phys. Chem. 93, 2117–2122 (2019). https://doi.org/10.1134/S0036024419110050
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DOI: https://doi.org/10.1134/S0036024419110050