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当前位置: 首页 > 文章 > 基质固相分散—气相色谱法测定植物油中多种拟除虫菊酯类及有机磷类农药残留 中国油料作物学报 2008,30 (3) 346-352
Position: Home > Articles > Multiresidue determination of pesticides in vegetable oil by matrix solid-phase dispersion and gas chromatography Chinese Journal of Oil Crop Sciences 2008,30 (3) 346-352

基质固相分散—气相色谱法测定植物油中多种拟除虫菊酯类及有机磷类农药残留

作  者：
程景;李培武;张文;谢立华;丁小霞;张奇
单  位：
中国农业科学院油料作物研究所
关键词：
基质固相分散;气相色谱;植物油;拟除虫菊酯类农药;有机磷类农药;农药残留
摘  要：
通过对基质固相分散吸附剂、淋洗剂、样品填料比等处理条件的优化研究,建立了植物油中22种农药残留分析方法,即基质固相分散—气相色谱法,实现对植物油中8种拟除虫菊酯类和14种有机磷类农药残留的同时测定。加标实验结果表明,22种农药回收率均在80.6%~110.3%之间,相对标准偏差均小于4.9%;8种拟除虫菊酯类农药检出限为0.000 5mg/kg~0.015mg/kg,14种有机磷类农药检出限达到0.01mg/kg~0.05mg/kg。本方法操作简便,成本低,回收率高,精密度好。
译  名：
Multiresidue determination of pesticides in vegetable oil by matrix solid-phase dispersion and gas chromatography
作  者：
CHENG Jing1,LI Pei-wu1,2*,ZHANG Wen1,2,XIE Li-hua1,2,DING Xiao-xia1,2,ZHANG Qi1,2(1.Oil Crops Research Institute CAAS,Wuhan 430062,China;2.Quality Inspection and Test Center for Oilseeds Products,Agricultural Ministry,Wuhan 430062,China)
关键词：
Matrix solid phrase dispersion(MSPD);Gas chromatography(GC);Vegetable oil;Pyrethroid;Organophosphorus;Pesticide residue
摘  要：
Absorbent eluent and proportion of sample and filling were investigated.With the optimization of pretreatment,a method was developed based on matrix solid-phase dispersion combined with GC for the multiresidue analysis of 22 pesticides in vegetable oil.It could detect and quantify 8 pyrethroid and 14 organophosphorus pesticides residue in vegetable oil.Spiked experiments for the test of recoveries,the mean recoveries were found in the range of 80.6% to 110.3% with relative standard deviation under 4.9%.The detection of the 8 pyrethroid pesticides were in the range of 0.000 5㎎/㎏to 0.015㎎/㎏ and the 14 organophosphorus pesticides were in the range of 0.01㎎/㎏to 0.05㎎/㎏.This method had precision and was simple and easy to apply.

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