Study on the Determination of Toxic Chemicals in Exhaust Gas(III). Chloroethylene.:—Chloroethylene—
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概要
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A gas chromatography-mass spectrometric (GC/MS) method has been developed for determination of chloroethylene (CE) in exhaust gas. Exhaust gas was sampled at 2-5<I>l</I>/min into a polyethylene bag covered with aluminium film and a Tedlaru<SUP>®</SUP> bag.<BR>0.25m<I>l</I> volume of the sample was injected into capillary GC/MS by using a sample loop valve-system. The detection limits and the relative standard deviations of determined values were 0.27ppm and 5.77%, respectively. CE was stable for at least 7 days in both bags. This method was successfully applied to determine CE in exhaust gases from chemical plants.
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