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气相离子迁移谱分析系统的工作原理
气相-离子迁移谱(GC-IMS,Gas Chromatography-Ion Mobility Spectrometry)前处理仪是一种用于分析挥发性有机化合物(VOCs)的高灵敏度仪器。其工作原理结合了气相色谱(GC)和离子迁移谱(IMS)技术,以下是其工作原理的详细说明: 样品进入气相色谱柱,在载气(如氮气 ...
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