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题名: Activity coefficients at infinite dilution of organic solutes in N-alkylpyridinium bis(trifluoromethylsulfonyl)imide ([CnPY][NTf2], n=2, 4, 5) using gas-liquid chromatography
作者: Yan, Pei-Fang1;  Liu, Qing-Shan1;  Yang, Miao1;  Liu, Xiu-Mei1;  Tan, Zhi-Cheng1, 2;  Welz-Biermann, Urs1
关键词: Ionic liquids ;  Gas-liquid chromatography ;  Activity coefficients at infinite dilution ;  N-Alkylpyridinium ;  bis(trifluoromethylsulfonyl)imide ILs
刊名: JOURNAL OF CHEMICAL THERMODYNAMICS
发表日期: 2010-12-01
DOI: 10.1016/j.jct.2010.06.009
卷: 42, 期:12, 页:1415-1422
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Thermodynamics ;  Chemistry, Physical
研究领域[WOS]: Thermodynamics ;  Chemistry
英文摘要: The activity coefficients at infinite dilution, gamma(infinity)(i) for both polar and non-polar solutes in the ionic liquids N-alkylpyridinium bis(trifluoromethylsulfonyl)imide ([CnPY][NTf2], n = 2. 4. 5) have been determined by gas-liquid chromatography using the ionic liquid as the stationary phase. The measurements were carried out at the temperatures from (303 to 353) K. The partial molar excess enthalpies at infinite dilution H-i(E,infinity) of the solutes in the ionic liquids were also derived from the temperature dependence of the gamma(infinity)(i) values. The values of the selectivity for the hexane/benzene and cyclohexane/benzene separation problems were calculated from experimental infinite dilution activity coefficient values and compared to the other ionic liquids, taken from the recent literatures. (C) 2010 Elsevier Ltd. All rights reserved.
关键词[WOS]: TEMPERATURE IONIC LIQUIDS ;  THERMODYNAMIC PROPERTIES ;  BIS(TRIFLUOROMETHYL-SULFONYL) IMIDE ;  TRANSPIRATION METHOD ;  VIRIAL COEFFICIENTS ;  ALKYL BENZENES ;  MIXTURES ;  HYDROCARBONS ;  ALCOHOLS ;  ESTERS
语种: 英语
WOS记录号: WOS:000282709400001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142063
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Yan, Pei-Fang,Liu, Qing-Shan,Yang, Miao,et al. Activity coefficients at infinite dilution of organic solutes in N-alkylpyridinium bis(trifluoromethylsulfonyl)imide ([CnPY][NTf2], n=2, 4, 5) using gas-liquid chromatography[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2010,42(12):1415-1422.
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