| "胃袋式"大体积直接进样分析大米中多种有机磷农药残留 |
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| 引用本文： | 袁家齐,雍炜,蔡慧霞,高希武,李瑾,储晓刚."胃袋式"大体积直接进样分析大米中多种有机磷农药残留[J].农药学学报,2006,8(4):353-358. |
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| 作者姓名： | 袁家齐 雍炜 蔡慧霞 高希武 李瑾 储晓刚 |
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| 作者单位： | 中国农业大学,农学与生物技术学院,北京,100094;中国检验检疫科学研究院,食品安全研究所,北京,100025;中国检验检疫科学研究院,食品安全研究所,北京,100025;中国农业大学,农学与生物技术学院,北京,100094 |
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| 基金项目： | 科技部国家科技基础条件平台项目——化学计量平台“食品领域化学计量基标准资源整合与共享”子课题 |
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| 摘 要： | 初步研究了"胃袋式"大体积直接进样和质谱选择离子监测技术相结合检测大米中多种有机磷农药残留的方法。考察了无前处理进样时大米基质对14种农药信噪比的影响,结合质谱的选择离子监测技术,建立了其中9种有机磷农药的检测方法。其中7种农药的最低定量限(LOQ)为4.0~10.0 μg/kg,样品添加回收率范围在67%~106%之间,RSD大部分小于20%(n=6)。
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| 关 键 词： | "胃袋式"大体积进样 选择离子监测 大米 有机磷农药 残留 |
| 文章编号： | 1008-7303(2006)04-0353-06 |
| 收稿时间： | 05 15 2006 12:00AM |
| 修稿时间： | 08 8 2006 12:00AM |
Application of Stomach Large Volume Direct Injection in Detecting Organphosphorous Pesticide Residues in Rice |
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| YUAN Jia-qi,YONG Wei,CAI Hui-xi,GAO Xi-wu,LI jin and CHU Xiao-gang.Application of Stomach Large Volume Direct Injection in Detecting Organphosphorous Pesticide Residues in Rice[J].Chinese Journal of Pesticide Science,2006,8(4):353-358. |
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| Authors: | YUAN Jia-qi YONG Wei CAI Hui-xi GAO Xi-wu LI jin and CHU Xiao-gang |
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| Institution: | 1.College of Agronomy and Biotechnology,China Agriculture University,Beijing 100094,China2.Institute of Food Safety,China Academy of Inspection and Quarantine,Beijing 100025,China |
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| Abstract: | Stomach' large volume direct injection (LVI) combined with selected ion monitoring-mass spectrometry (SIM-MS) to detect organophosphorus pesticide residues in rice was introduced.In the process,the influence of rice matrix on signal/noise (S/N) of 14 pesticide residues were studied.A method that detected 9 organophosphorus pesticide residues in rice with SIM-MS was established.The limits of qualititation (LOQ) of 7 pesticides were 4.0~10.0 μg/kg,the recoveries were between 67%~106% and the RSD were mostly less than 20% (n=6). |
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| Keywords: | 'stomach' large volume injection rice selected ion monitoring organophosphorus pesticides residue |
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