文献类型： 外文期刊
第一作者： Deng, Ligang
作者： Deng, Ligang;Chen, Lu;Guan, Shuai;Liu, Junhua;Liang, Jingyun;Li, Xia;Li, Zengmei
作者机构：
关键词： emamectin benzoate; rice; residue; degradation; UPLC-MS/MS
期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）
ISSN：
年卷期： 2020 年 25 卷 3 期
页码：
收录情况： SCI
摘要： The experiment developed the ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC/MS/MS) method for testing emamectin benzoate, and studied the metabolism of emamectin benzoate in rice plants and rice-growing environments via application of this testing method. The dissipation curve of emamectin benzoate standard substance was good at 0.5-200 mu g L-1, and its correlation coefficient was greater than 0.99. In the concentration range of 0.1-50 mu g kg(-1), the average recovery rate of plants, soil, and field water was 82 %-102 %, and relative standard deviation (RSD) was between 0.3 % and 15.9 %. Half-lives in rice plants and soil were 0.8-2.8 days and 1.9-3.8 days, respectively, and emamectin benzoate was not detected in rice or rice hull. The experiment showed that emamectin benzoate is harmless to human health at the concentration recommended by the manufacturer.
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