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环境化学  2015 

三油酸甘油酯-醋酸纤维素复合膜萃取水体中痕量有机氯农药的研究

Keywords: 醋酸纤维素,三油酸甘油酯,有机氯农药,辛醇-水分配系数

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Abstract:

以三油酸甘油酯醋酸纤维素复合膜(TECAM)萃取作为监测水体中痕量有机氯农药的方法.探讨分析过程中的影响因素和优化条件,结果表明,膜萃取分析方法对17种有机氯农药的平均加标回收率为53%—111%,对强疏水性污染物表现出较高的回收率.利用该方法在南方某自来水厂各工艺段水体中检测出了滴滴涕及其代谢产物、六六六等五种有机氯农药.

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