SIM-GC-MS法测定蔬菜中多种农药残留  

Rapid determination of residual pesticides in vegetables by SIM-GC-MS

作　　者：孟宇航[1] 冯春明[2] 

机构地区：[1]广东省江门市疾病预防控制中心,广东江门529030 [2]广东医学院,广东湛江524023

出　　处：《中国卫生检验杂志》2009年第7期1526-1528,共3页Chinese Journal of Health Laboratory Technology

摘　　要：目的：建立以选择离子-气相色谱-质谱联用（SIM-GC-MS）测定蔬菜中多种不同类型农药残留的检测方法。方法：样品用乙腈提取,经分离净化后浓缩,进行SIM-GC-MS分析。结果：该方法在一次进样过程中,可对24种农药同时进行定性和定量分析。标准曲线的线性关系良好;平均回收率在80%-120%之间;检出限在9.0×10-4-2.7×10-2μg/g之间。结论：该方法灵敏、快速、准确,适用于蔬菜中多种农药残留的快速分析。Objective：To establish a method for rapid determination of residual pesticides in vegetables by SIM - GC - MS. Methods：The samples were extracted with acetonitrile. The extracted solution was separated, purified and concentrated. Analyed by SIM - GC - MS. Results： This method can be used to detect 24 pesticides simuhaneously. The linear equation of the standard curve was good. The average recovery rates was between 80% and 120% ,and the limits of detection in the range of 9.0×10-4-2.7×10-2μg/g. Conclusion：The method is sensitive, rapid and accurate and can be used for detection of residual pesticides in vegetables.

关 键 词：选择离子 气相色谱-质谱联用 农药残留 

分 类 号：O657.63[理学—分析化学]