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Heat capacities and thermodynamic properties of chrysanthemic acid
Xue, B; Wang, JY; Tan, ZC; Lu, SW; Meng, SH
关键词Adiabatic Calorimetry Chrysanthemic Acid Heat Capacity Tg Thermal Decomposition Thermodynamic Function
刊名JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
2004
76期:3页:965-973
收录类别SCI
文章类型Article
项目归属1504
产权排名2;3
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]ADIABATIC CALORIMETER ; ALPHA-ALUMINA ; STANDARD
英文摘要The heat capacities of chrysanthemic acid in the temperature range from 80 to 400 K were measured with a precise automatic adiabatic calorimeter. The chrysanthemic acid sample was prepared with the purity of 0.9855 mole fraction. A solid-liquid fusion phase transition was observed in the experimental temperature range. The melting point, T-m, enthalpy and entropy of fusion, Delta(fus)H(m), Delta(fus)S(m), were determined to be 390.741 +/- 0.002 K, 14.51 +/- 0.13 kJ mol(-1), 37.13 +/- 0.34 J mol(-1) K-1, respectively. The thermodynamic functions of chrysanthemic acid, H-(T)-H-(298.15), S-(T)-S-(298.15) and G((T))-G((298.15)) were reported with a temperature interval of 5 K. The TG analysis under the heating rate of 10 K min(-1) confirmed that the thermal decomposition of the sample starts at ca. 410 K and terminates at ca. 471 K. The maximum decomposition rate was obtained at 466 K. The purity of the sample was determined by a fractional melting method.
语种英语
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WOS记录号WOS:000222091300028
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被引频次:12[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/321008/81459
专题中国科学院大连化学物理研究所
作者单位1.Shenyang Univ Technol, Sch Petrochem Engn, Liaoyang, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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Xue, B,Wang, JY,Tan, ZC,et al. Heat capacities and thermodynamic properties of chrysanthemic acid[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2004,76(3):965-973.
APA Xue, B,Wang, JY,Tan, ZC,Lu, SW,&Meng, SH.(2004).Heat capacities and thermodynamic properties of chrysanthemic acid.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,76(3),965-973.
MLA Xue, B,et al."Heat capacities and thermodynamic properties of chrysanthemic acid".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 76.3(2004):965-973.
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