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学科主题: 物理化学
题名: The Study Of Thermodynamic Properties For N-(2-Cyanoethyl)aniline(C9H10N2)
作者: Tian QF(田琦峰) ;  Tan ZC(谭志诚) ;  Sun LX(孙立贤)
会议名称: 18th IUPAC Conference on Chemical Thermodynamics and The 12th National Conference on Chemical Thermodynamics and Thermal Analysis
会议日期: 2004-8-16
出版日期: 2004-08-16
会议地点: 中国
其他题名: N-氰乙基苯胺的热力学性质研究
通讯作者: 谭志诚
部门归属: 十五室
主办者: 中国化学会
摘要: The low temperature heat capacities of N-(2-Cyanoethyl)aniline were measured with an automated adiabatic calorimeter over the temperature range from 83 to 353 K. The temperature corresponding to the maximum value of the apparent heat capacity in the fusion interval, molar enthalpy and entropy of fusion of this compound were determined to be (323.33 ± 0.13) K, (19.4 ± 0.1) kJ·mol-1 and (60.1 ± 0.1) J·K-1·mol-1, respectively. Using the fractional melting technique, the purity of the sample was calculated to be 99mol% and the melting temperature for the tested sample and the absolutely pure compound were determined to be 323.50 K and 323.99 K, respectively. A solid-to-solid phase transition occurred at (310.63 ±0.15) K. The molar enthalpy and molar entropy of the transition were determined to be (980 ± 5) J·mol-1 and (3.16 ± 0.02) J·K-1·mol-1, respectively. The thermodynamic functions of the compound, [HT – H298.15] and [ST – S298.15], were calculated based on the heat capacity measurements in the temperature range of 83- 353 K with an interval of 5 K.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/111764
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Tian QF,Tan ZC,Sun LX. The Study Of Thermodynamic Properties For N-(2-Cyanoethyl)aniline(C9H10N2)[C]. 见:18th IUPAC Conference on Chemical Thermodynamics and The 12th National Conference on Chemical Thermodynamics and Thermal Analysis. 中国. 2004-8-16.
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