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A comparative study of thermodynamic properties of binary mixtures containing dimethylsulfoxide

机译:含二甲亚砜的二元混合物热力学性质的比较研究

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摘要

A flow microcalorimeter has been used to determine excess enthanlpies (H E) at 298.15 K for binary mixtures of dimethylsulfoxide (1)+alkylbenzenes (benzene, methylbenzene, ethylbenzene, n-propylbenzene and sec-propylbenzene, n-butylbenzene, sec-butylbenzene and tert-butylbenzene) or tetrachloromethane, trichloromethane, tetrachloroethane, dichloromethane and monochloroalkanes (1-chloropropane, 1-chlorobutane, 1-chloropentane, 1-chlorohexane) (2). These data with the data available in the literature on the molar excess enthalpies (H E), molar excess Gibbs energies (G E), activity coefficients at infinite dilution, γ i ∞ , liquid-vapour equilibria (LVE) and liquid-liquid equilibria (LLE) for dimethylsulfoxide (DMSO)+n-alkanes, cyclohexane, benzene or alkylbenzenes (mono-, dialkyl-and trialkyl-) or tetrachloromethane, trichloromethane, dichloromethane and monochloroalkanes are treated in the framework of DISQUAC, an extended quasi-chemical group contribution theory.
机译:流动量热仪已用于测定298.15 K下的二甲亚砜(1)+烷基苯(苯,甲基苯,乙苯,正丙基苯和仲丙基苯,仲丙基苯,正丁基苯,仲丁基)的二元混合物的过量焓(HE 丁基苯和叔丁基苯)或四氯甲烷,三氯甲烷,四氯乙烷,二氯甲烷和一氯烷烃(1-氯丙烷,1-氯丁烷,1-氯戊烷,1-氯己烷)(2)。这些数据与文献中的摩尔过剩焓(HE ),摩尔过剩吉布斯能量(GE ),无限稀释时的活度系数,γi ,二甲亚砜(DMSO)+正构烷烃,环己烷,苯或烷基苯(一,二烷基和三烷基)或四氯甲烷,三氯甲烷,二氯甲烷和一氯烷烃的液-气平衡(LVE)和液-液平衡(LLE)在DISQUAC(一种扩展的准化学基团贡献理论)的框架内进行处理。

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  • 来源
    《Journal of Thermal Analysis and Calorimetry》 |2007年第3期|909-922|共14页
  • 作者单位

    Dipartimento di Scienze Chimiche Università Degli Studi Cagliari Cittadella Universitaria di Monserrato 09042 Cagliari Italy;

    Dipartimento di Scienze Chimiche Università Degli Studi Cagliari Cittadella Universitaria di Monserrato 09042 Cagliari Italy;

    Dipartimento di Scienze Chimiche Università Degli Studi Cagliari Cittadella Universitaria di Monserrato 09042 Cagliari Italy;

    Dipartimento di Scienze Chimiche Università Degli Studi Cagliari Cittadella Universitaria di Monserrato 09042 Cagliari Italy;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    data; dimethylsulfoxide; DISQUAC model; excess enthalpy; group contribution;

    机译:数据二甲基亚砜DISQUAC模型焓过大基团贡献;

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