气相色谱法测定蔬菜、水果中多种有机磷农药残留量  

Determination of organophosphorus pesticide multi-residues in vegetables and fruit by gas chromatography

作　　者：林文华[1] 罗惠明[1] 蔡颖[1] 

机构地区：[1]汕头出入境检验检疫局,广东汕头515031

出　　处：《中国卫生检验杂志》2008年第1期73-74,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：建立用气相色谱法测定蔬菜、水果中10种有机磷农药残留量的方法。方法：采用微量化学法和固相萃取技术,用气相色谱法。结果：方法最低检出浓度为0.01-0.02 mg/kg,样品中的添加浓度为0.02-1.0 mg/kg时,平均回收率为70.12%-118.85%,RSD为2.1%-15.8%。结论：结果表明,该方法操作简便快速、灵敏度高,符合实际应用需要。Objective：To establish a method for the determination of 10 organophosphorus pesticide residues in vegetables and fruit by gas chromatography.Methods：The samples were extracted using micro-chemical and solid phase extraction technique and exstacts were determined by GC.Results：The limit of detection was 0.01~0.02 mg/kg.The recoveries were 70.12%~118.85% when the added levels were from 0.02 to 1.0 mg/kg.The RSD was 2.1%~15.8%.Conclusion：The method is simple,sensitive and suitable for the analysis of pesticide residues.

关 键 词：有机磷农药残留量 气相色谱法 蔬菜 水果 

分 类 号：O657.71[理学—分析化学]