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Calorimetric study and thermal analysis of crystalline 2,4-dinitrobenzaldehyde (C7H4N2O5)
Wang, SX; Tan, ZC; Shi, Q; Di, YY; Zhang, HT; Xu, F; Sun, LX; Zhang, T
关键词Adiabatic Calorimetry 2 Heat Capacity 4-dinitrobenzaldehyde Purity Determination Tg-dtg And Dsc Analysis
刊名JOURNAL OF CHEMICAL THERMODYNAMICS
2005-04-01
DOI10.1016/j.jct.2004.09.018
37期:4页:349-355
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
关键词[WOS]HEAT-CAPACITY ; THERMODYNAMIC PROPERTIES
英文摘要Calorimetric study and thermal analysis for 2,4-dinitrobenzaldehyde 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 368) K. The melting point, molar enthalpy, and molar entropy of fusion of this substance were determined to be (344.91 +/- 0.15) K, (21,177 +/- 14) J (.) mol(-1), and (61.40 +/- 0.07) 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 (344.910 and 345.146) K, respectively, and the chemical purity of the sample was calculated to be 0.9950 mol fraction according to the Van't Hoff equation. The thermal stability of the compound was further investigated by differential scanning calorimetry and thermogravimetric analysis. (c) 2004 Published by Elsevier Ltd.
语种英语
WOS记录号WOS:000228150700006
引用统计
被引频次:7[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/321008/139894
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
推荐引用方式
GB/T 7714
Wang, SX,Tan, ZC,Shi, Q,et al. Calorimetric study and thermal analysis of crystalline 2,4-dinitrobenzaldehyde (C7H4N2O5)[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2005,37(4):349-355.
APA Wang, SX.,Tan, ZC.,Shi, Q.,Di, YY.,Zhang, HT.,...&Zhang, T.(2005).Calorimetric study and thermal analysis of crystalline 2,4-dinitrobenzaldehyde (C7H4N2O5).JOURNAL OF CHEMICAL THERMODYNAMICS,37(4),349-355.
MLA Wang, SX,et al."Calorimetric study and thermal analysis of crystalline 2,4-dinitrobenzaldehyde (C7H4N2O5)".JOURNAL OF CHEMICAL THERMODYNAMICS 37.4(2005):349-355.
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