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题名: Heat capacities and thermodynamic properties of 2-benzoylpyridine (C12H9NO)
作者: Wang, MH;  Tan, ZC;  Shi, Q;  Sun, LX;  Zhang, T
通讯作者: 谭志诚
关键词: adiabatic calorimetry ;  2-benzoylpyridine ;  DSC ;  heat capacity ;  thermodynamic functions
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2006-05-01
DOI: 10.1007/s10973-005-6971-6
卷: 84, 期:2, 页:413-418
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504,1501
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 heat capacities of 2-benzoylpyridine were measured with an automated adiabatic calorimeter over the temperature range from 80 to 340 K. The melting point, molar enthalpy, Delta H-fus(m), and entropy, Delta S-fus(m), of fusion of this compound were determined to be 316.49 +/- 0.04 K, 20.91 +/- 0.03 kJ mol(-1) and 66.07 +/- 0.05 J mol(-1) K-1, respectively. The purity of the compound was calculated to be 99.60 mol% by using the fractional melting technique. The thermodynamic functions (H-T-H-298.15) and (S-T-S-298.15) were calculated based on the heat capacity measurements in the temperature range of 80-340 K with an interval of 5 K. The thermal properties of the compound were further investigated by differential scanning calorimetry (DSC). From the DSC curve, the temperature corresponding to the maximum evaporation rate, the molar enthalpy and entropy of evaporation were determined to be 556.3 +/- 0.1 K, 51.3 +/- 0.2 kJ mol(-1) and 92.2 +/- 0.4 J K-1 mol(-1), respectively, under the experimental conditions.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000237436900018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97893
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

Recommended Citation:
Wang, MH,Tan, ZC,Shi, Q,et al. Heat capacities and thermodynamic properties of 2-benzoylpyridine (C12H9NO)[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2006,84(2):413-418.
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