Phase Equilibria in H2O–CH3SO3H System: Experiment and Thermodynamic Modeling

E. V. Belova; Белова Е. В.; A. S. Kapelushnikov; Капелюшников А. С.; A. L. Voskov; Восков А. Л.

doi:10.31857/S0044453723070038

Phase Equilibria in H2O–CH3SO3H System: Experiment and Thermodynamic Modeling

Autores: Belova E.¹, Kapelushnikov A.², Voskov A.¹
Afiliações:
1. Department of Chemistry, Moscow State University, Moscow, Russia
2. Materials Science Department, Moscow State University
Edição: Volume 97, Nº 7 (2023)
Páginas: 925-931
Seção: ХИМИЧЕСКАЯ ТЕРМОДИНАМИКА И ТЕРМОХИМИЯ
URL: https://journals.rcsi.science/0044-4537/article/view/136609
DOI: https://doi.org/10.31857/S0044453723070038
EDN: https://elibrary.ru/SJXSBT
ID: 136609

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Resumo

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).

Palavras-chave

methanesulfonic acid, Pitzer–Simonson–Clegg model, static method of a vapor pressure, measurement dew point method, phase diagram

Sobre autores

E. Belova

Department of Chemistry, Moscow State University, Moscow, Russia

Email: catrine2@mail.ru
Moscow, Russia

A. Kapelushnikov

Materials Science Department, Moscow State University

Email: catrine2@mail.ru
Moscow, Russia

A. Voskov

Department of Chemistry, Moscow State University, Moscow, Russia

Autor responsável pela correspondência
Email: catrine2@mail.ru
Moscow, Russia

Bibliografia

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