同时测定蔬菜中氯氰菊酯等9种农药的残留量
Guangdong Agricultural Sciences(2011)
Abstract
用乙腈提取蔬菜样品中氯氰菊酯等9种农药,提取液经SPE柱净化、浓缩后,注入气相色谱,组分经毛细管柱分离,电子捕获检测器检测,外标法定性、定量,结果表明:加标回收率为99.1%~104.2%,相对标准偏差RSD为0.83%~7.79%。此分析方法准确可靠、重现性好、简单易行,可用于蔬菜中9种农药残留量的同时测定。
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