弱极性毛细管柱顶空气相色谱法测定生活饮用水中多种卤代烃  

Determination of halogenated hydrocarbons in drink water by capillary column GC with headspace

作　　者：周睿[1] 劳宝法[1] 丁宇[1] 

机构地区：[1]上海市卢湾区疾病预防控制中心,上海200023

出　　处：《中国卫生检验杂志》2010年第2期289-290,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：建立弱极性毛细管柱顶空气相色谱测定生活饮用水中7种卤代烃的方法。方法：选择弱极性毛细管色谱柱,采用顶空进样方式,确定适宜的仪器分析条件,并对分离度,回收率,精密度及稳定性进行了研究。结果：方法的标准曲线相关系数在0.9985-0.9998之间;相对标准偏差为1.02%-4.77%;回收率为76%-94%。结论：该方法可以快速准确的同时测定水中7种卤代烃。Objective：To establish a method for determination of halogenated hydrocarbons in drink water by infirm polarity capillary column GC with headspace.Methods：To choose the best determination condition,to decide eligible temperature and flow rate of carrier gas,and study the resolution.Results：The standard curve coefficient correlation was in the range of 0.9985-0.9998.The relative standard deviation was in the range of 1.02%-4.77%.The recovery was in the range of 76%-94%.Conclusion：The method can be used to simultaneous measure 7 halogenated hydrocarbons in water quickly and precisely.

关 键 词：弱极性毛细管柱 顶空气相色谱 生活饮用水 卤代烃 

分 类 号：O657.71[理学—分析化学]