Thermophysical properties of 1-methyl-3-methylimidazolium dimethylphosphate and 1-ethyl-3-methylimidazolium diethylphosphate

被引：44
|
作者：
Wang, Jian-ying [1 ]
Zhao, Feng-Yun [1 ]
Liu, Run-jing [1 ]
Hu, Yong-qi [1 ]
机构：
[1] Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, Shijiazhuang 050018, Peoples R China
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2011年 / 43卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Ionic liquid; Thermophysical properties; Surface tension; Density; TEMPERATURE IONIC LIQUIDS; SURFACE-TENSION; PHYSICAL-PROPERTIES; PHYSICOCHEMICAL PROPERTIES; THERMODYNAMIC PROPERTIES; AQUEOUS-SOLUTIONS; EXTRACTION; WATER; HEXAFLUOROPHOSPHATE; SEPARATION;
D O I：
10.1016/j.jct.2010.08.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The density and surface tension of 1 methyl-3 methylimidazolium dimethylphosphate [C(1)mim] (CH3O)(2)PO2 and 1-ethyl-3-methylimidazolium diethylphosphate [C(2)mim](CH3CH2O)(2)PO2 ionic liquids have been measured over the temperature range from (283 15 to 338 15) K The coefficients of thermal expansion were calculated from the experimental density results using an empirical correlation for T = (283 15 to 338 15) K Molecular volume and standard entropies of these ILs were calculated from the experimental density values The surface properties of ILs were investigated The critical temperature and enthalpy of vapourization were also discussed (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：47 / 50
页数：4
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