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题名: Investigation of thermodynamic properties of Co2O3 powder
作者: Nan, ZD;  Jiao, QZ;  Tan, ZC;  Sun, LX
关键词: heat capacity ;  powder of Co2O3 ;  thermodynamic function ;  adiabatic calorimeter ;  TG analysis
刊名: THERMOCHIMICA ACTA
发表日期: 2003-09-04
DOI: 10.1016/S0040-6031(03)00179-5
卷: 404, 期:1-2, 页:245-249
收录类别: SCI
文章类型: Article
部门归属: 1504
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
英文摘要: The isobaric molar heat capacities of powder of Co2O3 were determined by an adiabatic calorimeter in the temperature range from 78 to 350 K. No phase transition takes place in this temperature range. The relationship of C-p,C-m with thermodynamic temperature T was established as C-p,C-m = -5 x 10(-6)T(3) + 0.0026T(2) + 0.0325T + 4.2592 (J K-1 mol(-1)), fitting coefficient R-2 = 0.9996. According to this relationship and the relationships between thermodynamic functions, the thermodynamic functions of powder of C2O3 were derived with 298.15 K as reference temperature. Thermal decomposition of Co2O3 powder was studied through thermogravimetry (TG). The possible mechanism of the thermal decomposition reaction was suggested according to the TG result. (C) 2003 Elsevier Science B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000185448300028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/82531
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.Liaoning Normal Univ, Dept Chem, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Nan, ZD,Jiao, QZ,Tan, ZC,et al. Investigation of thermodynamic properties of Co2O3 powder[J]. THERMOCHIMICA ACTA,2003,404(1-2):245-249.
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