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Heat Capacity of an Ethylene Glycol–Dimethylsulfoxide System
Russian Journal of Physical Chemistry A ( IF 0.7 ) Pub Date : 2021-08-22 , DOI: 10.1134/s0036024421080288
A. V. Tyurin 1 , I. A. Solonina 1 , M. N. Rodnikova 1 , D. A. Sirotkin 1
Affiliation  

Abstract

The heat capacity of an ethylene glycol (EG)–dimethylsulfoxide (DMSO) liquid system is measured to determine its solvophobic effect. Measurements are made in the temperature range of 300–340 K for pure DMSO and the 0 to ~15 and 50 mol % ranges of DMSO concentrations. The concentration dependences of the apparent and excess apparent heat capacities of DMSO are calculated at five given temperatures. The results are explained from the viewpoint of the weak solvophobic effect in the studied EG–DMSO system.



中文翻译:

乙二醇-二甲基亚砜体系的热容量

摘要

测量乙二醇 (EG)-二甲基亚砜 (DMSO) 液体系统的热容量以确定其疏溶剂效应。对于纯 DMSO,在 300–340 K 的温度范围内以及 0 到 ~15 和 50 mol% 的 DMSO 浓度范围内进行测量。在五个给定温度下计算 DMSO 的表观和过量表观热容的浓度依赖性。从所研究的 EG-DMSO 系统中弱疏溶剂效应的角度解释了结果。

更新日期:2021-08-23
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