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本方法采用顶空气相色谱法。利用毛细管柱、μ-ECD微电子捕获检测器对饮用水中氯仿和四氯化碳残留量进行了检测分析,检出限分别为0.02和0.2μg/L,回收率90.4%~95.6%,本方法分析简便,容易操作。
This method uses headspace gas chromatography. The detection limits of chloroform and carbon tetrachloride in drinking water were determined by capillary column and μ-ECD micro-electron capture detector. The detection limits were 0.02 and 0.2 μg / L, respectively. The recoveries ranged from 90.4% to 95.6% Method analysis is simple and easy to operate.