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。