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小麦中溴氰菊酯残留量测定的前处理方法改进

Grain Storage(2015)

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Abstract
在小麦中溴氰菊酯残留量测定中,通过对小麦粉进行加水浸泡,加入乙腈作为提取剂,对提取和净化步骤进行了优化改进,增大了提取率,提高了测定的准确度.通过回收加标实验,在0.15 mg/kg,0.50 mg/kg,1.00 mg/kg三个加标质量分数下,回收率和相对标准偏差分别为90.13%和4.65%,94.20%和5.00%,93.76%和3.82%,满足农药残留测定实验的要求,为粮食中菊酯类农药残留检测提供了参考.
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