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Equivalent characteristic spectrum analysis in TG-MS system
Xia, Hongde; Wei, Kai
AbstractA novel method of equivalent characteristic spectrum analysis (ECSA) was developed to analyze the mass spectrum of TG-MS system according to the operating principle of TG-MS coupling system. In ECSA, the characteristic spectra and the relative sensitivity were calibrated for all tested gases. This method effectively separated the mass spectrum, eliminated the mass discrimination and temperature-dependent effect, even if there were some overlaps at characteristic peak. Based on the decomposition of CaCO3 and CaC2O4, actual flow rate and concentration of individual component in evolved gas have been dynamically determined. The analyzed mass flow rates of evolved gases agree well with ECSA and the experimental data from TG analysis. Moreover, the stability of calibration and quantitative analysis by ECSA method were discussed. (C) 2014 Elsevier B.V. All rights reserved.
KeywordEquivalent Characteristic Spectrum Analysis Quantitative Analysis Calibration Relative Sensitivity Evolve Gas Analysis
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS IDWOS:000350076300003
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Document Type期刊论文
AffiliationChinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xia, Hongde,Wei, Kai. Equivalent characteristic spectrum analysis in TG-MS system[J]. THERMOCHIMICA ACTA,2015,602:15-21.
APA Xia, Hongde,&Wei, Kai.(2015).Equivalent characteristic spectrum analysis in TG-MS system.THERMOCHIMICA ACTA,602,15-21.
MLA Xia, Hongde,et al."Equivalent characteristic spectrum analysis in TG-MS system".THERMOCHIMICA ACTA 602(2015):15-21.
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