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摘要 建立了气相色谱法测定农田沟渠水中6种有机磷农药残留的分析方法。HLB小柱富集沟渠水中6种有机磷农药,气相色谱-火焰光度检测器(FPD)分析,外标法定量。结果表明:添加0.01~1.00 mg/L浓度水平时,6种有机磷农药加标回收率在75.6%~86.4%之间,相对标准偏差(RSD)在4.2%~7.6%之间。方法检出限(S/N=3)在0.001~0.003 mg/L之间,该方法简单快速,回收率高,可用于农田沟渠水中痕量有机磷农药的测定,满足我国《生活饮用水卫生标准》(GB 5749-2006)的检测要求。
关键词 农田沟渠水;有机磷农药;火焰光度检测器;气相色谱
中图分类号 S481 .8 文献标识码 A 文章编号 1007-5739(2016)20-0096-02
Determination of 6 Kinds of Organic Phosphorus Pesticides in Irrigation Ditch Water by Solid Phase Extraction and Gas Chromatography
WANG Li-na 1 FENG Min-ling 1 * LI Sheng-an 1 LI Xiao-peng 2 JIA Xiao-fei 1 LIU Ming-yang 1 ZHANG Yi-wen 1
(1 Zhongshan Agricultural Products Quality Supervision
关键词 农田沟渠水;有机磷农药;火焰光度检测器;气相色谱
中图分类号 S481 .8 文献标识码 A 文章编号 1007-5739(2016)20-0096-02
Determination of 6 Kinds of Organic Phosphorus Pesticides in Irrigation Ditch Water by Solid Phase Extraction and Gas Chromatography
WANG Li-na 1 FENG Min-ling 1 * LI Sheng-an 1 LI Xiao-peng 2 JIA Xiao-fei 1 LIU Ming-yang 1 ZHANG Yi-wen 1
(1 Zhongshan Agricultural Products Quality Supervision