| LCMS-MS法检测小麦粉中12种农药的残留 |
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| 引用本文： | 沈燕,刘贤进,徐敦明,孙星.LCMS-MS法检测小麦粉中12种农药的残留[J].农药,2011,50(11). |
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| 作者姓名： | 沈燕 刘贤进 徐敦明 孙星 |
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| 作者单位： | 1. 江苏省农业科学院江苏省农产品安全性研究重点实验室,农业部食品安全监控重点开放实验室,南京210014
2. 厦门出入境检验检疫局,福建厦门,361001 |
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| 基金项目： | 国家自然科学基金资助项目(30871658); 江苏省农业科技自主创新资金(CX(11)4066) |
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| 摘 要： | 目的]建立吡蚜酮、氧乐果、敌百虫、啶虫脒、乐果、甲磺隆、氯磺隆、多效唑、嘧菌环胺、烯唑醇、喹硫磷、甲氨基阿维菌素苯甲酸盐12种农药在小麦中的液相色谱-三重串联质谱同时检测和确证方法.方法]小麦样品经粉碎后,0.1％(体积分数)冰醋酸-乙腈提取,NH2氨基柱填料和石墨化炭黑固相分散净化,含0.1％甲酸的乙腈水混合液定容过微孔滤膜后用液相色谱串联四级杆质谱联用仪LC-MS-MS检测和确证.结果]方法在10～1000μg/L范围内保持良好的线性关系,相关系数大于0.99.12种农药在10、50、100 tg/kg添加水平的回收率和相对标准偏差的数据表明:12种农药的回收率均为72％～107％,RSD为1.5％～13.3％,回收率和相对标准偏差达到相应标准的要求.结论]该方法快速、灵敏、适用广泛、操作简便及污染小,适用于小麦籽粒中农药残留的定性定量分析.
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| 关 键 词： | 三重串联四级杆 小麦 农药 残留 |
Multi-residue Determination of Twelve Pesticides by LC-MS-MS in Wheat |
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| SHEN Yan
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LIU Xian-jin
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XU Dun-ming
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SUN Xing.Multi-residue Determination of Twelve Pesticides by LC-MS-MS in Wheat[J].Pesticides,2011,50(11). |
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| Authors: | SHEN Yan LIU Xian-jin XU Dun-ming SUN Xing |
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| Affiliation: | SHEN Yan1,LIU Xian-jin1,XU Dun-ming2,SUN Xing1(1.Jiangsu Key Lab of Agricultural Food Safety,Jiangsu Academy of Agricultural Science,Key laboratory of Food Safety Monitoring and Management of Ministry of Agriculture,Nanjing 210014,China,2.Xiamen Import & Export Inspection and Quarantine Bureau,Xiamen 361001,Fujian,China) |
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| Abstract: | Aims] The LC-MS-MS(liquid chromatography tandem triple quadrupole mass spectrometry) method for determination of twelve pesticides(pymetrozine,omethoate,trichlorphon,acetamiprid,dimethoate,metsulfuronmethyl,chlorsulfuron,paclobutrazol,cyprodinil,diniconazole,quinalphos,emamectin-benzoate) was developed.Methods] Wheat samples were extracted with 0.1% HAc-actonitrile after smashed,then the extraction was cleaned by NH2 and graphite carbon.The solution was filtered with a membrane before injected into the in... |
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| Keywords: | quadrupole mass spectrometry wheat pesticides residue |
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