GC-FPD双柱法测定海水中的痕量有机磷
Modern Scientific Instruments(2007)
Abstract
本文提出了一种GC-FPD测定海水中28种有机磷农药残留的新方法。采用双柱法,即选用DB-1701柱进行定性、定量分析,用HP-5柱验证。既发挥了FPD检测器灵敏、定量准确的优点,又利用了双柱法的定性功能。方法对各目标物均有良好的线性关系,回收率和RSD分别在70.2%~103.2%、8.7%~17.5%之间,适合于海洋水体中痕量有机磷农药的分析。
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Key words
seawater,GC-FPD,organophosphorus pesticide
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