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题名: Heat capacity and thermodynamic properties of 1-hexadecanol
作者: Xing, J.1, 2;  Tan, Z. -C.1, 3;  Shi, Q.1, 4;  Tong, B.1, 4;  Wang, S. -X.3;  Li, Y. -S.3
通讯作者: 谭志诚
关键词: adiabatic calorimetty ;  1-hexadecanol ;  low-temperature heat capacity ;  purity determination ;  TG/DTG ;  thermodynamical functions
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2008-05-01
DOI: 10.1007/s10973-007-8955-1
卷: 92, 期:2, 页:375-380
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The low-temperature heat capacities of 1-hexadecanol have been measured with an automatic adiabatic calorimeter over the temperature range from 80 to 370 K. A solid-liquid phase transition was observed at T-m=322.225 +/- 0.002 K and the molar enthalpy and entropy of fusion were determined to be 57.743 +/- 0.008 kJ mol(-1) and 179.19 +/- 0.04 J K-1 mol(-1), respectively. The purity, the real melting point (T-1) and the ideal melting point without any impurity or absolutely purity (To) of the sample under investigation were determined to be 99.162 mol%, 322.21 and 322.34 K, respectively, by fractional melting method. According to the polynomial equation of heat capacity and thermodynamic relationship, the thermodynamic functions of the compound relative to the reference temperature 298.15 K were calculated in the temperature ranges of 80 to 370 K with an interval of 5 K. In addition, further researches of thermal properties for this compound were carried out by means of TG/DTG.
关键词[WOS]: SMALL SAMPLES ;  CALORIMETER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255957400003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100399
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.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Dalian Univ, Dept Chem & Chem Engn, Dalian 116622, Peoples R China
3.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Xing, J.,Tan, Z. -C.,Shi, Q.,et al. Heat capacity and thermodynamic properties of 1-hexadecanol[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2008,92(2):375-380.
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