1. Methods:Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.
   方法:空气中四氯乙烷用活性炭管采集,二硫化碳解吸,经GDX-103色谱柱分离,氢火焰离子化检测器检测。

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