分析测试学报2013,Vol.32Issue(3):287-292,6.DOI:10.3969/j.issn.1004-4957.2013.03.004
非衍生化/液相色谱-串联质谱法测定食品中的二硫代氨基甲酸酯类农药残留
Determination of Dithiocarbamates in Foodstuffs by LC-MS/MS
摘要
Abstract
A simple, fast and sensitive method was developed for the determination of dithiocarbamates, including tiezene( EBDC) and pestanal( PBDC), by optimizing the parameters of LC - MS/MS and extraction buffer. Under the optimized conditions, the calibration curves of EBDC and PBDC were linear in the range of 2 -100 μg/L with correlation coefficients not less than 0. 997. The limits of detection(LODs, S/N>3 ) of EBDC and PBDC were 2 μg/kg for cauliflower, turnip and pea, and the limits of quantitation(LOQs, S/N > 10 ) of EBDC and PBDC were 10 μg/kg for turnip and pea, and 15 μg/kg for cauliflower. The recoveries in cauliflower, turnip and pea samples at spiked concentration levels of 5 - 100 μg/kg ranged from 83% to 96% with relative standard deviations (RSDs) of 4.4% - 10. 5% . The method could meet the requirement for the analysis of dithiocarbamates in foodstuffs.关键词
LC-MS/MS/食品/二硫代氨基甲酸酯/检测Key words
LC -MS/MS/ foodstuffs/ dithiocarbamate/ determination分类
化学化工引用本文复制引用
陈鹭平,李久兴,吴敏,林立毅,陈达捷,周昱,徐敦明..非衍生化/液相色谱-串联质谱法测定食品中的二硫代氨基甲酸酯类农药残留[J].分析测试学报,2013,32(3):287-292,6.基金项目
厦门市科技计划项目(3502Z20092009,3502Z20102013) (3502Z20092009,3502Z20102013)
国家质检总局科技计划项目(2010IK162,2010IK192) (2010IK162,2010IK192)