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气相色谱法检测平菇中9种农药残留分析

JOURNAL OF AGRICULTURE(2017)

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Abstract
为解决食用菌中的农药残留检测问题,以基地生产的平菇样品为实验材料,采用固相萃取方法对平菇中白菌清、三唑酮等9种农药残留的检测方法进行研究,用石墨碳黑氨基柱净化样品,利用气相色谱作为检测手段,ECD检测器进行定性定量分析.研究表明,平菇中9种农药的含量重复性实验相对标准偏差为2.05%~6.35%,检出限为0.0003~0.005 mg/kg,定量限为0.0009~0.02 mg/kg.9种农药在0.05~2.0 mg/L范围内线性关系良好,r值均大于0.990.此方法检测平菇中9种农药残留分析准确、可行.
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Key words
Pesticide Residues,Oyster Mushroom,Gas Chromatography
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