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Phase Equilibria in H2O–CH3SO3H System: Experiment and Thermodynamic Modeling
- Authors: Belova E.V.1, Kapelushnikov A.S.2, Voskov A.L.1
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Affiliations:
- Department of Chemistry, Moscow State University, Moscow, Russia
- Materials Science Department, Moscow State University
- Issue: Vol 97, No 7 (2023)
- Pages: 925-931
- Section: ХИМИЧЕСКАЯ ТЕРМОДИНАМИКА И ТЕРМОХИМИЯ
- Submitted: 15.10.2023
- Published: 01.07.2023
- URL: https://ogarev-online.ru/0044-4537/article/view/136609
- DOI: https://doi.org/10.31857/S0044453723070038
- EDN: https://elibrary.ru/SJXSBT
- ID: 136609
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Abstract
Water activities in H2O–CH3SO3H system were obtained by the dew point method and by the static method of a vapor pressure measurement in a temperature range 288.15–323.15 K. Pitzer–Simonson–Clegg model parameters were calculated. The parameters describe adequately properties of a liquid phase in a temperature range 198.15–323.15 К and with an acid concentration up to 80 wt %. Stability parameters were determined for two solid phases, HMS·H2O and HMS·3H2O (HMS = CH3SO3H).
About the authors
E. V. Belova
Department of Chemistry, Moscow State University, Moscow, Russia
Email: catrine2@mail.ru
Moscow, Russia
A. S. Kapelushnikov
Materials Science Department, Moscow State University
Email: catrine2@mail.ru
Moscow, Russia
A. L. Voskov
Department of Chemistry, Moscow State University, Moscow, Russia
Author for correspondence.
Email: catrine2@mail.ru
Moscow, Russia
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