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Thermodynamic Study of 8-Hydroxyquinoline by Adiabatic Calorimetry and Thermal Analysis
Wang Shao-Xu1; Tan Zhi-Cheng1,2; Li Yan-Sheng1; Tong Bo2; Li Ying1; Shi Quan2; Zhang Jing-Nan2; Tan ZC(谭志诚)
关键词8-hydroxyquinoline Low Temperature Heat Capacity Adiabatic Calorimetry Purity Determination Dsc Analysis
刊名CHINESE JOURNAL OF CHEMISTRY
2008-11-01
26期:11页:2016-2020
收录类别SCI
文章类型Article
部门归属15
项目归属1504
产权排名2;2
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]SYNTHETIC SAPPHIRE ALPHA-AL2O3 ; HEAT-CAPACITY
英文摘要A calorimetric study and thermal analysis for 8-hydroxyquinoline were performed. The low-temperature heat capacity of this compound was measured with a precise automated adiabatic calorimeter over the temperature range from 78 to 370 K. The melting point T(fus), molar enthalpy Delta(fus)H(m) and molar entropy Delta(fus)S(m) of fusion of this substance were determined to be (345.74 +/- 0.15) K, (13.93 +/- 0.11) kJ center dot mol(-1) and (40.26 +/- 0.33) J center dot K(-1)center dot mol(-1), respectively. The thermodynamic functions of the substance, such as molar enthalpy and entropy of fusion, and thermodynamic functions [H(T)-H(298.15)] and [S(T)-S(298.15)] were derived from two polynomial equations of the experimental molar heat capacities against the reduced temperature fitted by the least square method. The melting temperatures for the sample and the absolutely pure compound have been obtained from fractional melting experiments to be 345.601 and 345.761 K, respectively, and the molar fraction purity of the sample was calculated to be 0.9978 according to the van't Hoff equation. The thermal stability of the compound was further investigated by differential scanning calorimetry (DSC).
语种英语
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WOS记录号WOS:000261672200011
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/101559
专题中国科学院大连化学物理研究所
通讯作者Tan ZC(谭志诚)
作者单位1.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Liaoning, Peoples R China
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GB/T 7714
Wang Shao-Xu,Tan Zhi-Cheng,Li Yan-Sheng,et al. Thermodynamic Study of 8-Hydroxyquinoline by Adiabatic Calorimetry and Thermal Analysis[J]. CHINESE JOURNAL OF CHEMISTRY,2008,26(11):2016-2020.
APA Wang Shao-Xu.,Tan Zhi-Cheng.,Li Yan-Sheng.,Tong Bo.,Li Ying.,...&谭志诚.(2008).Thermodynamic Study of 8-Hydroxyquinoline by Adiabatic Calorimetry and Thermal Analysis.CHINESE JOURNAL OF CHEMISTRY,26(11),2016-2020.
MLA Wang Shao-Xu,et al."Thermodynamic Study of 8-Hydroxyquinoline by Adiabatic Calorimetry and Thermal Analysis".CHINESE JOURNAL OF CHEMISTRY 26.11(2008):2016-2020.
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