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题名: Thermodynamic study on the azeotropic mixture composed of ethanol and toluene
作者: Nan, ZD;  Tan, ZC;  Xing, J
通讯作者: 谭志诚
关键词: azeotropic mixture ;  ethanol ;  toluene ;  heat capacity ;  excess thermodynamic function ;  adiabatic calorimetry
刊名: CHINESE JOURNAL OF CHEMISTRY
发表日期: 2005-07-01
卷: 23, 期:7, 页:823-828
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 2;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The molar heat capacity of the azeotropic mixture composed of ethanol and toluene was measured by a high precision adiabatic calorimeter from 80 to 320 K. The glass transition and phase transitions of the azeotropic mixture were determined based on the heat capacity measurements. A glass transition at 103.350 K was found. A solid-solid phase transition at 127.282 K, two solid-liquid phase transitions at 153.612 and 160.584 K were observed, which correspond to the transition of metastable crystal to stable crystal of ethanol and the melting of ethanol and toluene, respectively. The thermodynamic functions and the excess ones of the mixture relative to the standard temperature 298.15 K were derived based on the relationships of the thermodynamic functions and the function of the measured heat capacity with respect to temperature.
关键词[WOS]: EXTRACTIVE DISTILLATION ;  HEAT-CAPACITIES ;  BENZENE ;  ENTROPY ;  SCALE ;  ETHER ;  WATER ;  ACID
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000230195300005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93643
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.Qufu Normal Univ, Dept Chem, Shandong 273165, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Nan, ZD,Tan, ZC,Xing, J. Thermodynamic study on the azeotropic mixture composed of ethanol and toluene[J]. CHINESE JOURNAL OF CHEMISTRY,2005,23(7):823-828.
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