福建农林大学学报（自然科学版）2013，Vol.42Issue(4)：423-428,6.
QuEChERS-HPLC-MS/MS法同时测定果蔬中21种农药残留
Determination of 21 sorts of pesticide residues in fruits and vegetables by QuEChERS-HPLC-MS/MS
摘要
Abstract
An effective multi-residual method for the trace determination of 21 sorts of pesticide residues in fruits and vegetables was developed by HPLC-MS/MS.Target pesticides in samples were extracted by acetonitrile,purified by developed QuEChERS method,then analyzed using HPLC-MS/MS under multiple reaction monitoring (MRM) mode with positive electrospray ionization,and Agilent Extend-C18 column (2.1 × 100 mm,3.5 μm) was used as the analytical column.The results showed the 21 pesticides were lin-ear in the range of 0.005-0.500 mg · L-1 with R2 ＞0.9956.The limits of detection (LODs) and the limits of quantification (LOQs) of Sulfentrazone and Clodinafop acid both were 4 μg · kg-1,12 μg · kg-1,respectively,the others all were 2 μg · kg-1,5μg · kg-1,respectively.The recoveries ranged from 67.7％ to 105.1％,with the relative standard deviations (RSDs,n =6) of 2.8％-13.2％.关键词
QuEChERS/农药多残留/高效液相色谱—串联质谱/果蔬Key words
QuEChERS/ multiresidue analysis/ HPLC-MS/MS/ fruits and vegetables分类
化学化工引用本文复制引用
黄何何,郑向华,董健,罗佳,严丽娟,王连珠,徐敦明..QuEChERS-HPLC-MS/MS法同时测定果蔬中21种农药残留[J].福建农林大学学报（自然科学版）,2013,42(4):423-428,6.基金项目
福建省自然科学基金(2011J05029、2011J01386). （2011J05029、2011J01386）
