饮用水的加氯消毒过程中可以产生大量的有机卤代烃,这些卤代烃具有特殊气味且对人体有害,可以通过呼吸、皮肤接触、饮用进入人体。大多数的卤代烃具有“三致”性(致癌,致畸,致突变),易挥发,无分解能力,难降解,可在生物体内累积[1,2]。世界各国已将多种挥发性卤代烃作为水质检测的重要指标。我国《生活饮用水卫生标准GB5750-2006》中主要的测定方法为顶空气相色谱法[3]。此方法具有操作简 Chlorinated drinking water disinfection process can produce a large number of organic halogenated hydrocarbons, these halogenated hydrocarbons have a special odor and harmful to humans, can breathe, skin contact, drinking into the body. Most halogenated hydrocarbons have a “three” (carcinogenic, teratogenic, mutagenic), volatile, no decomposition, non-degradable, can be accumulated in the body [1,2]. Various countries in the world have taken a variety of volatile halogenated hydrocarbons as an important indicator of water quality testing. China’s “drinking water health standards GB5750-2006” in the main determination of headspace gas chromatography method [3]. This method has simple operation