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题名: Low-temperature heat capacity and thermodynamic functions of nano Co2O3
作者: Nan, ZD;  Tan, ZC;  Lan, XZ;  Sun, LX;  Guan, JY
关键词: nano Co2O3 ;  heat capacity ;  thermodynamic function
刊名: CHINESE JOURNAL OF INORGANIC CHEMISTRY
发表日期: 2003-03-01
卷: 19, 期:3, 页:325-328
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear
研究领域[WOS]: Chemistry
英文摘要: The isobaric molar heat capacities of nano Co2O3 were determined by an adiabatic calorimeter in the temperature range from 78 to 350K. No phase transition takes place in this temperature range. The relationship of C, with respect to thermodynamic temperature T was established as C-p,C-m = -11.998 X-3 - 9.6431 X-2 + 63. 478 X + 81. 291(J . K-1 . mol(-1)), where X = ( T - 201. 903) /121. 535, the correlation coefficient R-2 = 0. 9996. According to this relationship and the relationships between thermodynamic functions, the thermodynamic functions of nano Co2O3 relative to the standard temperature of 298. 15K were derived based on the measured heat capacity data. The average grain size of the studied nano Co2O3 sample was determined to be 12nm by TEM.
语种: 英语
WOS记录号: WOS:000181386300021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138328
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.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Chem, Chengde 067000, Peoples R China

Recommended Citation:
Nan, ZD,Tan, ZC,Lan, XZ,et al. Low-temperature heat capacity and thermodynamic functions of nano Co2O3[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2003,19(3):325-328.
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