| GC-MS法测定银杏叶中3种氨基甲酸酯类农药的残留量 |
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| 引用本文： | 金立弟,赵明会,韩宇. GC-MS法测定银杏叶中3种氨基甲酸酯类农药的残留量[J]. 药物分析杂志, 2011, 0(7) |
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| 作者姓名： | 金立弟 赵明会 韩宇 |
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| 作者单位： | 吉林省吉林市食品药品检验所; |
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| 摘 要： | 目的:建立银杏叶中3种氨基甲酸酯农药残留量的测定方法。方法:样品以丙酮超声提取,并采用弗罗里硅土柱进行净化,选用气相色谱与质谱串联技术(GC-MS)在DB-5MS毛细管柱上用程序升温技术分离,采用选择离子检测方式,以保留时间和特征离子进行目标成分的定性鉴别,外标法对样品进行测定。结果:3种氨基甲酸酯农药在100～1000μg.L-1范围内呈良好的线性关系,3种农药的方法定量限在5.0～6.0μg.kg-1,3个水平添加回收率在83.30%～89.53%之间,RSD小于10%(n=9)。结论:本方法灵敏度高,重现性好,可用于银杏叶中3种氨基甲酸酯类农药残留的检测。
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| 关 键 词： | 气相色谱 质谱 弗罗里硅土柱 银杏叶 氨基甲酸酯 农药残留 |
GC-MS determination 3 kinds of carbamate pesticides in Ginkgo biloba |
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| JIN Li-di,ZHAO Ming-hui,HAN Yu. GC-MS determination 3 kinds of carbamate pesticides in Ginkgo biloba[J]. Chinese Journal of Pharmaceutical Analysis, 2011, 0(7) |
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| Authors: | JIN Li-di ZHAO Ming-hui HAN Yu |
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| Affiliation: | JIN Li-di,ZHAO Ming-hui,HAN Yu(Jilin Institute of Food and Drug Control,Jilin 132000,China) |
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| Abstract: | Objective:To establish an analytical method for the simultaneously determination of 3 Carbamate in Ginkgo biloba.Methods:The sample was extracted with acetone,and the extract was cleaned using Florisil,The eluate was concentrated under nitrogen blowing.Based on GC-MS,the pesticides were separated with a DB-5MS column using a temperature program and were detected with a mass selective detector in selective ion monitoring(SIM)mode.The target pesticides were identified by comparing their retention times and ch... |
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| Keywords: | GC MS Florisil Ginkgo biloba Carbamate pesticide residue |
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