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题名: Measurements of the heat capacity of an azeotropic mixture of water, ethanol and toluene from 79 to 320 K
作者: Nan, ZD;  Tan, ZC
关键词: heat capacity ;  water ;  ethanol ;  toluene ;  low temperature ;  adiabatic calorimetry
刊名: FLUID PHASE EQUILIBRIA
发表日期: 2004-12-10
DOI: 10.1016/j.fluid.2004.09.002
卷: 226, 页:65-70
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Thermodynamics ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Thermodynamics ;  Chemistry ;  Engineering
英文摘要: The molar heat capacity of the azeotropic mixture composed of 0.329 water, 0.397 ethanol, and 0:274 toluene. was measured by adiabatic calorimetry in the temperature range 79-320 K. The glass transition and phase transitions of the mixture were determined from the curve of the heat capacity with respect to temperature. The glass transition occurred at (108.4 +/- 0.2) K. The phase transitions took place in the temperature range of 129-155 K corresponding to the solid-solid and solid-liquid phase transitions of ethanol. water and toluene. respectively. The thermodynamic functions and the excess thermodynamic functions of the mixture relative to standard temperature 298.15 K were derived from the relationships of the thermodynamic functions and the function of the measured heat capacity with respect to temperature. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: THERMODYNAMIC PROPERTIES ;  EXTRACTIVE DISTILLATION ;  BINARY-SYSTEM ;  CALORIMETER ;  ENTROPY ;  ENERGY ;  ETHER ;  SCALE
语种: 英语
WOS记录号: WOS:000226237200007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139580
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, Qufu 273165, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Nan, ZD,Tan, ZC. Measurements of the heat capacity of an azeotropic mixture of water, ethanol and toluene from 79 to 320 K[J]. FLUID PHASE EQUILIBRIA,2004,226:65-70.
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