70%吡虫啉湿拌种剂在玉米上的残留分析方法

Analysis of Residue in Corn after Application of 70% of the Imidacloprid Wet Seed Dressing Agent

采用高效液相色谱法测定吡虫啉在玉米和土壤中的残留量。结果表明,70%吡虫啉湿拌种剂在土壤、玉米植株和子粒中的添加回收率分别是89.9%～97.9%、93.5%～100.9%和90.3%～94.9%。此法操作简便、快速,结果重现性好,定量准确。

Residues of imidacloprid in corn and soil were determined by HPLC.The results showed that collecting rates of 70% imidacloprid seed dressing agent in soil,corn plants and seed were 89.9-97.9%,93.5-100.9% and 90.3-94.9%.This method is simple,rapid,reproducible and accurate.