| 改良QuEChERS-气相色谱法测定韭菜中15种有机磷农药残留 |
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| 引用本文： | 张仙,王小飞,彭西甜,胡西洲,刘军.改良QuEChERS-气相色谱法测定韭菜中15种有机磷农药残留[J].湖北农业科学,2017,56(10). |
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| 作者姓名： | 张仙 王小飞 彭西甜 胡西洲 刘军 |
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| 作者单位： | 农业部食品质量监督检验测试中心(武汉),武汉,430064 |
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| 摘 要： | 建立了一种改良的QuEChERS结合气相色谱法测定韭菜中15种有机磷农药残留,探讨了不同提取溶剂、基质效应对分析效果的影响及不同配比的净化剂对15种农药的检测情况。结果表明,将改进后的方法应用于韭菜中农药残留的检测,加标回收率为72.2%~105.6%,相对标准偏差为1.0%~6.1%,定量限为0.010 0~0.023 0μg/mL。
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| 关 键 词： | QuEChERS 气相色谱 韭菜 有机磷农药残留 |
Improvement Analysis of 15 Organophosphoru Pesticide Residues in Leeks Using QuEChERS-GC Method |
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| ZHANG Xian,WANG Xiao-fei,PENG Xi-tian,HU Xi-zhou,LIU Jun.Improvement Analysis of 15 Organophosphoru Pesticide Residues in Leeks Using QuEChERS-GC Method[J].Hubei Agricultural Sciences,2017,56(10). |
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| Authors: | ZHANG Xian WANG Xiao-fei PENG Xi-tian HU Xi-zhou LIU Jun |
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| Abstract: | To establish a method of improvement of QuEChERS combined with GC for detection of the 15 kinds of organophosphorus pesticide residues in leeks. To discuss different extractants and effect of matrix on the effect of the analysis influence, including different ratio of decontaminants. The method of improvement was used to organophosphorus pesticide residues of detection in leeks. The results showed that the average recoveries were in range of 72.2%~105.6%,and relative standard deviatons were 1.0%~6.1%. The limits of quantification were in range of 0.0100~0.0230μg/mL. |
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| Keywords: | QuEChERS GC-FPD leek organophosphorus pesticide residues |
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