Using the hydrogen flame polar capillary vessel gas phase chromatography to replace the original packing column method, isobutyl alcohol in waste gas was determined.
采用氢火焰极性毛细管气相色谱法代替原来的填充柱法，测定空气和废气中的异丁醇。
2
The purified MWCNTs are found to be a suitable packing material for gaschromatography and a sorbent in trapping volatile organic compounds from air.