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Thermodynamic investigation of the azeotrope of water and ethanol
Nan, ZD; Tan, ZC; Sun, LX
KeywordAdiabatic Calorimetry Heat Capacity Azeotrope Water Ethanol
Source PublicationACTA PHYSICO-CHIMICA SINICA
2004-06-01
DOI10.3866/PKU.WHXB20040615
Volume20Issue:6Pages:626-630
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordEXCESS ENTHALPY ; EXTRACTIVE DISTILLATION ; HEAT-CAPACITIES ; MIXTURES ; BEHAVIOR ; ALCOHOLS ; ACETATE ; ETHER
AbstractThe molar heat capacities of the azeotrope in the binary system of water and ethanol were measured by an adiabatic calorimeter in the temperature range from 78 K to 320 K. The functions of the heat capacity with respect to the thermodynamic temperature were established. The glass transition occurred at 98. 496 K. The phase transitions took place in the temperature ranges from 123.08 K to 156.96 K and 269.03 K to 273.20 K corresponding to the solid-solid phase transition of ethanol, solid-liquid phase transition of ethanol, and solid-liquid phase transition of water, respectively. The thermodynamic functions and the excess thermodynamic functions of the azeotrope relative to 298.15 K were derived based on the relationships of the thermodynamic functions and the function of the measured heat capacity with respect to the temperature.
Language英语
WOS IDWOS:000222223400015
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139510
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
Nan, ZD,Tan, ZC,Sun, LX. Thermodynamic investigation of the azeotrope of water and ethanol[J]. ACTA PHYSICO-CHIMICA SINICA,2004,20(6):626-630.
APA Nan, ZD,Tan, ZC,&Sun, LX.(2004).Thermodynamic investigation of the azeotrope of water and ethanol.ACTA PHYSICO-CHIMICA SINICA,20(6),626-630.
MLA Nan, ZD,et al."Thermodynamic investigation of the azeotrope of water and ethanol".ACTA PHYSICO-CHIMICA SINICA 20.6(2004):626-630.
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