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Heat capacity and thermodynamic properties of 2,4-dichlorobenzaldehyde (C7H4Cl2O)
Wang, SX; Tan, ZC; Di, YY; Xu, F; Zhang, HT; Sun, LX; Zhang, T
关键词Heat Capacity 2 Adiabatic Calorimetry 4-dichlorobenzaldehyde Purity Determination Dsc Analysis
刊名JOURNAL OF CHEMICAL THERMODYNAMICS
2004-05-01
DOI10.1016/j.jct.2004.01.006
36期:5页:393-399
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Thermodynamics ; Chemistry, Physical
研究领域[WOS]Thermodynamics ; Chemistry
英文摘要Heat capacities of 2,4-dichlorobenzaldehyde have been measured with a high-precision automatic adiabatic calorimeter over the temperature range from (79 to 371) K. The melting temperature, molar enthalpy, and entropy of fusion were determined by the heat capacity measurements to be (347.24 +/- 0.13) K, (20468 +/- 19) J (.) mol(-1), and (58.94 +/- 0.04) J (.) K-1 (.) mol(-1), respectively. The melting temperatures for the sample and the absolutely pure compound have been obtained from fractional melting experiments to be (347.230 and 347.619) K, respectively, and the chemical purity of the sample was calculated to be 0.9921 mol fraction according to the Van't Hoff equation. Moreover, the solid-to-liquid phase transition of the substance was further investigated by using DSC technique. The results obtained from the heat capacity measurements were in agreement with those from the DSC analysis. (C) 2004 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000221042400005
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被引频次:16[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/321008/139519
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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GB/T 7714
Wang, SX,Tan, ZC,Di, YY,et al. Heat capacity and thermodynamic properties of 2,4-dichlorobenzaldehyde (C7H4Cl2O)[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2004,36(5):393-399.
APA Wang, SX.,Tan, ZC.,Di, YY.,Xu, F.,Zhang, HT.,...&Zhang, T.(2004).Heat capacity and thermodynamic properties of 2,4-dichlorobenzaldehyde (C7H4Cl2O).JOURNAL OF CHEMICAL THERMODYNAMICS,36(5),393-399.
MLA Wang, SX,et al."Heat capacity and thermodynamic properties of 2,4-dichlorobenzaldehyde (C7H4Cl2O)".JOURNAL OF CHEMICAL THERMODYNAMICS 36.5(2004):393-399.
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