便携式气相色谱-质谱联用仪用空气作为载气研究进展  

Progress of selecting air as carrier gas for portable gas chromatography-mass spectrometry

作　　者：闫俏 李杨[2] YAN Qiao;LI Yang(School of Chemistry and Chemical Engineering,Nanchang University,Nanchang 330038,China;Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116033,China)

机构地区：[1]南昌大学化学化工学院,江西南昌330038 [2]中国科学院大连化学物理研究所,辽宁大连116033

出　　处：《化学分析计量》2023年第5期98-102,共5页Chemical Analysis And Meterage

摘　　要：对便携式气相色谱-质谱联用仪采用空气作为载气的相关研究进行了综述。分析了气质联用仪采用空气作载气存在的问题和加装载气净化装置、改进色谱柱、谱图预处理、扣除本底等技术改进方法。便携式气相色谱-质谱联用仪使用空气作为载气具有技术可行性,可以减小仪器体积、重量,使仪器操作更简单,提高便携式仪器现场分析效能,降低分析成本。The develop progress of using air as carrier gas in portable gas chromatography-mass spectrometry instrument were reviewed.The existing problems of using air as carrier gas in temperament combination instrument were analyzed,as well as the technical improvement methods such as loading gas purification device,improving chromatographic column,spectrogram pretreatment and subtracting background,etc.The use of air as the carrier gas in a portable gas chromatography-mass spectrometer has technical feasibility,reducing the volume and weight of the instrument,making the operation of the instrument simpler,improving the on-site analysis efficiency of the portable instrument,and reducing the analysis cost.

关 键 词：便携式气相色谱-质谱联用仪 载气 空气 

分 类 号：O657[理学—分析化学]