正己烷萃取-气相色谱法快速测定水中三氯乙烯  

Fast Determination of Trichloroethylene in Water by Hexane Extraction and Gas Chromatography

作　　者：杨宏斌[1] 童张法[2] 金朝晖[3] 李铁龙[3] 李天正[3] 

机构地区：[1]广西壮族自治区环境监测中心站,广西南宁530022 [2]广西大学化工学院,广西南宁530004 [3]南开大学,天津370001

出　　处：《中国环境监测》2007年第4期37-39,共3页Environmental Monitoring in China

摘　　要：采用正己烷萃取法对水中三氯乙烯进行富集,用毛细管柱气相色谱法进行测定;通过正交试验,对气相色谱测定的主要影响因素和条件进行优化选择,并进行定量评价,总结其影响规律,最终确定最佳测定条件。同时对该方法检出限、准确度和精密度进行检验,完成方法验证。结果表明,该方法简单、快速、准确可靠,灵敏度高,在水环境质量监测中具有实用性。Enrich trichloroethylene in water with the method of hexane extraction,and determine it by capillary column gas chromatography.The main affected factors and conditions of gas chromatography determination are elected through the method of mutual test,evaluated in quantity,the affect law has been concluded,and the best monitoring condition is made certain.The limit of determination,accuracy and precision are tested.This method is simple,rapid,accurate and credible,and it has a high sensitivity.It is practical in water monitoring.

关 键 词：正己烷 萃取 气相色谱 三氯乙烯 正交试验 优化 

分 类 号：X832[环境科学与工程—环境工程]