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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
KeywordHeat Capacity 2 Adiabatic Calorimetry 4-dichlorobenzaldehyde Purity Determination Dsc Analysis
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
2004-05-01
DOI10.1016/j.jct.2004.01.006
Volume36Issue:5Pages:393-399
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectThermodynamics ; Chemistry, Physical
WOS Research AreaThermodynamics ; Chemistry
AbstractHeat 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.
Language英语
WOS IDWOS:000221042400005
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139519
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
Recommended Citation
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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