As to the gasometric analysis, double column parallel connection is used to separate O_2 、 N_2 、 CO_2 under ambient temperature and vapour-phase chromatography TCD is used to have a quantitative analysis. 对于气体分析,室温下使用双柱并联分离了O2、N2、CO2,并采用气相色谱TCD进行定量分析。