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学科主题: 物理化学
题名: Thermodynamic Study Of 1-hexadecanol
作者: Xing J(刑军) ;  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: 2004-08-17
出版日期: 2004-08-17
会议地点: 中国
其他题名: 1-十六烷醇的热力学研究
通讯作者: 谭志诚
部门归属: 十五室
摘要: 1-Hexadecanol is one of the main raw materials in the production of many detergents, surfactants, perfume, chemicals used for industry, agriculture and daily life. In recent years, it was considered as storage energy materials in aircraft and industrial purpose due to its higher enthalpy of fusion, non-toxicity, high thermal stability in its melting process. The low-temperature heat capacities of 1-hexadecanol have been measured with a small sample automatic adiabatic calorimeter (1)over the temperature range of 80 ~ 370 K. A solid-liquid phase transition was observed at Tm = 322.225 K and the molar enthalpy and entropy of fusion were determined to be (57.743 ± 0.08) kJ×mol-1 and (179.23 ± 0.24) J×K-1×mol-1, respectively. The purity, the real melting point (To) and the ideal melting point without any impurity or absolutely purity (T1) of the sample were determined to be 99.162 mol %, 322.34 K and 322.21 K, respectively, by fractional melting method (2). According to the polynomials of heat capacity and thermodynamic relationships, the thermodynamic functions of the sample relative to the reference temperature 298.15 K were calculated in the temperature ranges of 80~316 K and 325~370 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/321008/111786
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:
Xing J,Tan ZC,Sun LX. Thermodynamic Study Of 1-hexadecanol[C]. 见:18th IUPAC Conference on Chemical Thermodynamics and The 12th National Conference on Chemical Thermodynamics and Thermal Analysis. 中国. 2004-08-17.
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