The impact of makeup gas for packed column on sensitivity of fid ( flame ionization detector ) was studied with different concentration sample and different carrier gas flow in order to find out optimal sensitivity of gas chromatogram 摘要本文研究气相色谱填充柱在不同柱流量和不同浓度的苯系物样品，使用尾吹气对fid检测器灵敏度的影响，以确定分析仪器的最佳灵敏度。
