用毛细管气相色谱法测定水中氯苯系化合物

Life Science Instruments(2006)

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Abstract
应用毛细管气相色谱法对水中的10种氯苯系化合物残留量进行了测定。以石油醚为提取剂,采用PE-5弹性石英毛细管气相色谱柱分离样品,电化学检测器进行检测,出峰顺序为:间二氯苯、对二氯苯、邻二氯苯、1,3,5—三氯苯、1,2,4—三氯苯、1,2,3—三氯苯、1,2,4,5—四氯苯、1,2,3,4—四氯苯、五氯苯、六氯苯。10种组分均以峰高定量,相关系数均大于0.998。最低检出限为0.04~0.88ug/L;样品的平均加标回收率为85%~107%,平均相对标准偏差小于5%。比填充柱气相色谱法简便快捷、灵敏准确,在建设部新的水质标准开始实施后,具有广泛的应用前景。
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Key words
Raw water,The chlorobenzene series compounds,Capillary gas chromatography
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