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Studies on thermochemical properties of ionic liquid based on transition metal ions - System BMIC/ZnCl2
Yang Jia-Zhen; Li Ji-Guang; Fang Da-Wei; Zhang Qing-Guo; Feng Rong-Kai; Tao Chuang
2007-03-01
发表期刊CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
卷号28期号:3页码:492-495
文章类型Article
摘要A colorless and transparent ionic liquid BMIC/ZnCl2 was prepared by mixing 1-butyl 3-methylimidazolium chloride(BMIC) and ZnCl2 with a molar ratio of 1:1 at 363.15 K under stirring in a glove box filled with dry argon. The molar dissolution enthalpies, Delta H-s(m), of BMIC/ZnCl2 in water with various molalities were determined by a solution-reaction isoperibol calorimeter at 298.15 K. In terms of Pitzer electrolyte solution theory, the molar solution enthalpy of BMIC/ZnCl2 at infinite dilution, Delta H-s(m)0, and Pitzer parameters: beta((0)L)(Mx),beta((1)L)(MX) and C-MX(phi L) were obtained, respectively. According to Lecocq's viewpoint, ionic liquid BMIC/ZnCl2 with a molar ratio of 1:1 is a single compound BMIZnCl3. In terms of Glasser's theory and thermodynamic cycle, the standard molar hydration enthalpy of ionic liquid BMIZnCl3, (Delta H-+(0) + Delta H--)(0) = -497 kJ/mol, was calculated. The standard molar enthalpies of hydration of individual ions can be obtained from those of electrolytes, provided that the value of one ion is known. The standard molar enthalpies of hydration of cation BMI+ were estimated Delta H-+(0) (BMI+) = -225 kJ/mol in literature so that the standard molar enthalpies of hydration of ZnCl3- was obtained, that is, Delta H--(0) (ZnCl3-) = -272 kJ/mol.
关键词Isoperibol Calorimeter Solution Enthalpy Pitzer's Equationy Ionic Liquid Hydration Enthalpy
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]ROOM-TEMPERATURE ; AMINO-ACIDS ; ENTHALPY ; THERMODYNAMICS ; CHLORIDE ; BMIBF4 ; WATER
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000245094400023
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5812
专题青海盐湖研究所知识仓储
作者单位1.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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GB/T 7714
Yang Jia-Zhen,Li Ji-Guang,Fang Da-Wei,et al. Studies on thermochemical properties of ionic liquid based on transition metal ions - System BMIC/ZnCl2[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2007,28(3):492-495.
APA Yang Jia-Zhen,Li Ji-Guang,Fang Da-Wei,Zhang Qing-Guo,Feng Rong-Kai,&Tao Chuang.(2007).Studies on thermochemical properties of ionic liquid based on transition metal ions - System BMIC/ZnCl2.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,28(3),492-495.
MLA Yang Jia-Zhen,et al."Studies on thermochemical properties of ionic liquid based on transition metal ions - System BMIC/ZnCl2".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 28.3(2007):492-495.
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