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超高效液相色谱-串联质谱法检测蔬菜中残留农药

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摘要 通过将超高效液相色谱仪与三重四极杆质谱仪联用,建立蔬菜中残留农药的快速检测方法,对吡虫啉、敌敌畏、乐果等3种农药进行定量分析。3种农药均可在0~15min得到快速分离、检测,为浓度为1~50μg·L^-1时具有良好的线性,且标准曲线的相关系数均在0.999以上;同时对5μg·L^-1混合标准溶液进行精密度实验,实验结果显示连续6次进样的保留时间和峰面积的相对标准偏差分别在1.712%~5.975%和0.015%~0.070%,因此在检测黄瓜中的残留农药时,此方法均可满足标准限量要求。
作者 王烽凡 路峰
出处 《南方农业》 2019年第9期139-139,148,共2页 South China Agriculture
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