关键词: 气袋, 气相色谱法, 废气, 挥发性卤代烃

Abstract: In this paper, 14 kinds of volatile halogenated hydrocarbons in the exhaust gas of stationary sources were analyzed by gas chromatography and air bag sampling. The curve correlation coefficient of each component was greater than 0.99; the detection limits of the method were from 0.0003 mg/m3 to 0.6 mg/m3. This method was adopted to test the real samples from iron and steel enterprises, petrochemical plants and auto repair factories. The relative standard deviation of spiked samples in various industries were from 1.2% to 8.8% and the recoveries were from 74.3% to 116%. All the characteristic indexes of this method can meet the expected requirements. This provides a more direct and effective method for the analysis of volatile halogenated hydrocarbons in the exhaust gas of stationary sources.

Key words: air bags, gas chromatography, exhaust gas, volatile halogenated hydrocarbons