ACF-SPME检测海洋水体中的多环芳烃  

Activated carbon fiber solid phase microextraction for the determination of polycyclic aromatic hydrocarbons in seawater

作　　者：陆封烽[1] 王亚林[1] 贾金平[1] 孙同华[1] 

机构地区：[1]上海交通大学环境科学与工程学院,上海200240

出　　处：《分析试验室》2010年第6期19-21,共3页Chinese Journal of Analysis Laboratory

基　　金：国家十一五"863"(2006AA09Z172)项目资助

摘　　要：使用新型活性炭纤维(ACF)作为固相微萃取(SPME)技术的萃取纤维,检测了海水中的多环芳烃。得到ACF-SPME萃取多环芳烃的最优条件为:在搅拌条件下,盐浓度10%,pH3,温度60℃水浴中直接萃取40min。并确定16种多环芳烃的RSD(n=5)为1.8%～10%、线性范围为0.1～500μg/L、检出限为0.1～100μg/L。对东海近海海水进行了分析,结果表明海水中PAHs浓度在检测限以下,同时进行加标回收实验,得到16种多环芳烃的回收率在80%～128%。A method for the determination of polycyclic aromatic hydrocarbons in seawater with the activated carbon fiber (ACF) as extraction fiber for solid phase microextraction (SPME) was successfully developed.The optimal conditions are direct immersion absorption method at a ionic strength of 10%,pH 3 and an absorption temperature of 60 ℃ for absorption time of 40 min.The RSDs (n=5) are between 1.8% and 10%,the linearity 0.1～500 μg/L and the limits of the detection between 0.1 μg/L and 100 μg/L for the sixteen ty...

关 键 词：多环芳烃 固相微萃取 活性炭纤维 海水 

分 类 号：X834[环境科学与工程—环境工程]