Investigation of thermodynamic properties of Co2O3 powder
Nan, ZD; Jiao, QZ; Tan, ZC; Sun, LX
KeywordHeat Capacity Powder Of Co2o3 Thermodynamic Function Adiabatic Calorimeter Tg Analysis
Indexed BySCI
Funding Project1504
Contribution Rank2;3
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS Research AreaChemistry
AbstractThe 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.
WOS IDWOS:000185448300028
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.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
GB/T 7714
Nan, ZD,Jiao, QZ,Tan, ZC,et al. Investigation of thermodynamic properties of Co2O3 powder[J]. THERMOCHIMICA ACTA,2003,404(1-2):245-249.
APA Nan, ZD,Jiao, QZ,Tan, ZC,&Sun, LX.(2003).Investigation of thermodynamic properties of Co2O3 powder.THERMOCHIMICA ACTA,404(1-2),245-249.
MLA Nan, ZD,et al."Investigation of thermodynamic properties of Co2O3 powder".THERMOCHIMICA ACTA 404.1-2(2003):245-249.
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