QUANTITATIVE CALIBRATION OF A TPD-MS SYSTEM FOR CO AND CO2 USING CALCIUM-CARBONATE AND CALCIUM-OXALATE

被引:45
作者
WANG, JS [1 ]
MCENANEY, B [1 ]
机构
[1] UNIV BATH,SCH MAT SCI,BATH BA2 7AY,AVON,ENGLAND
关键词
D O I
10.1016/0040-6031(91)85240-I
中图分类号
O414.1 [热力学];
学科分类号
摘要
A method is described for calibrating quantitatively a temperature-programmed decomposition, mass-spectrometric (TPD-MS) system by monitoring the gases evolved during the thermal decomposition of a chemical within the TPD reactor. A method for calibrating for evolved CO and CO2 is described using the thermal decompositions of calcium carbonate and calcium oxalate. The method takes into account the production of CO+ ions from CO2+ ions and secondary reactions in the thermal decomposition of calcium oxalate.
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页码:143 / 153
页数:11
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