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为了探索地下水中溶解气和枯井逸出气的成分变化与地震前兆对应关系的研究,要需建立一个包括He、Ar、N_2、O_2、CH_4、CO_2、H_2S等多种气体组分在含量较宽范围内的分析方法。文献中对上述组分中部分气体和混有其它气体的色谱分析工作报导较多,但对同类气体全分析的方法尚未见介绍。本工作根据地震检测车的要求和结构特点,采用氢气发生器作载气源;并且为了实现上述气体组分的常温色谱全分析,提出了两种色谱流程
In order to explore the relationship between the composition change of dissolved gas in groundwater and gas evolving from dry gas and the correspondence of earthquake precursors, it is necessary to establish a gas-liquid mixture containing many gas components such as He, Ar, N 2, O 2, CH 4, CO 2 and H 2 S, The scope of the analysis. In the literature, there are many reports about the chromatographic analysis of some gases mixed with other gases in the above components, but the methods for the full analysis of similar gases have not yet been introduced. According to the requirements and structural features of the seismic detection vehicle, the hydrogen generator is used as a carrier gas source. In order to achieve the full-scale chromatographic analysis of the above gas components at room temperature, two chromatographic schemes