蔬菜中26种农药残留的高效液相色谱-串联质谱法测定

来源 :分析测试学报 | 被引量 : 0次 | 上传用户：pkuericz

【摘要】

：

建立了蔬菜中26种农药的反相高效液相色谱-电喷雾串联质谱 (LC-ESI MS/MS) 检测方法.蔬菜样品经含0.1%醋酸的乙腈提取、浓缩、分散型固相萃取净化,液相色谱串联质谱测定,内标

【作者】

：

柳菡徐锦忠丁涛张晓燕杨雯筌赵增运陈惠兰吴斌沈

【机构】

：

江苏出入境检验检疫局

【出处】

：

分析测试学报

【发表日期】

：

2004年期

【关键词】

：

液相色谱-质谱农药残留蔬菜

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论文部分内容阅读

建立了蔬菜中26种农药的反相高效液相色谱-电喷雾串联质谱 (LC-ESI MS/MS) 检测方法.蔬菜样品经含0.1%醋酸的乙腈提取、浓缩、分散型固相萃取净化,液相色谱串联质谱测定,内标法定量.26种农药在5.0 ～200 μg/L范围内线性关系良好(r2＞0.997).在豌豆、菠菜、脱水葱3种基质中的检出限和定量下限均为2.0 μg/kg和5.0 μg/kg.在5.0、10.0、40.0 μg/kg 3个添加水平下,26种农药的回收率为70% ～110%,精密度(RSD)小于15%.方法准确、灵敏、简单,适用于蔬菜中26种农药残留的同时测定.

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蔬菜中26种农药残留的高效液相色谱-串联质谱法测定

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