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水果和蔬菜中23种有机磷农药残留的SPE-GC/MS同时测定法
引用本文:郁倩.水果和蔬菜中23种有机磷农药残留的SPE-GC/MS同时测定法[J].职业与健康,2011,27(6):644-646.
作者姓名:郁倩
作者单位:江苏省徐州市疾病预防控制中心检验科,221000
摘    要:目的建立同时检测果蔬中23种有机磷类农药的快速灵敏的分析方法。方法采用气质联用的方法,同时对果蔬中的23种有机磷类农药进行定性及定量分析。结果所有23种有机磷类农药均在30 min内流出,分离良好,标准曲线线性良好,相关系数r>0.996,有较好的准确度和精密度,回收率为73.7%~107.3%,相对标准偏差小于6%。结论应用该方法对35份果蔬中有机磷类农药进行测定,阳性率3.7%。实践证明该方法选择性好,分辨率高、灵敏度高,符合分析要求,具有简单、快速的特点。

关 键 词:有机磷  农药残留  固相萃取-气相色谱-质谱联用

Simultaneous Determination of 23 Kinds of Organophosphorus Pesticide Residues in Fruits and Vegetables by SPE-GC/MS
YU Qian.Simultaneous Determination of 23 Kinds of Organophosphorus Pesticide Residues in Fruits and Vegetables by SPE-GC/MS[J].Occupation and Health,2011,27(6):644-646.
Authors:YU Qian
Affiliation:YU Qian(Xuzhou Center for Disease Control and Prevention,Jiangsu,221000,China)
Abstract:Objective]To establish a rapid and sensitive method for the determination of 23 Kinds of organophosphorus pesticide residues in fruits and vegetables. Methods]Gas chromatography mass spectrometry(GC-MS) was used to determine 23 Kinds of organophosphorus pesticide residues in fruits and ve1getables. Results]Good separation was achieved in the 23 Kinds of organophosphorus pesticide in 30 minutes,the standard curve showed good linearity,r>0.996.The precision and accuracy were satisfactory with recovery perc...
Keywords:Organic phosphorus  Pesticide residue  SPE-GC/MS  
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