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题名: Heat capacity and thermodynamic properties of ethyl carbazate (C3H8N2O2)
作者: Di, YY;  Sun, XH;  Tan, ZC;  Liu, YF;  Meng, SH;  Gao, SL;  Qu, SS
关键词: ethyl carbazate ;  heat capacity ;  adiabatic calorimetry ;  purity determination
刊名: THERMOCHIMICA ACTA
发表日期: 2001-03-22
卷: 369, 期:1-2, 页:25-30
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The low temperature heat capacities of ethyl carbazate (C3H8N2O2) were precisely determined with an adiabatic calorimeter over the temperature range from 78 to 371 K. The sample was observed to melt at 318.92 +/- 0.02 K. The molar enthalpy and entropy of the melting as well as the chemical purity of the substance were determined to be 20019 +/- 11 J mol(-1), 62.77 +/- 0.03 J mol(-1) K-l and 99.35 +/- 0.01 mol%, respectively. The extrapolated melting temperature for the absolutely pure compound obtained from fractional melting experiments was 319.181 +/- 0.005 K. (C) 2001 Elsevier Science B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000167844000004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139015
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Wuhan Univ, Coll Chem & Environm Sci, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
3.NW Univ Xian, Dept Chem, Xian 710069, Peoples R China

Recommended Citation:
Di, YY,Sun, XH,Tan, ZC,et al. Heat capacity and thermodynamic properties of ethyl carbazate (C3H8N2O2)[J]. THERMOCHIMICA ACTA,2001,369(1-2):25-30.
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