Residue behaviour and safety evaluation of fenaminstrobin in peanut field ecosystems
文献类型: 外文期刊
第一作者: You, Xiangwei
作者: You, Xiangwei;Sui, Chengcheng;Li, Yiqiang;Wang, Xiuguo;Xu, Jinli;Zheng, Xiao;Chen, Dan;Zhu, Guangyan
作者机构:
关键词: Residue;dissipation;risk assessment;fenaminstrobin;peanut
期刊名称:INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY ( 影响因子:2.826; 五年影响因子:2.215 )
ISSN: 0306-7319
年卷期: 2017 年 97 卷 13 期
页码:
收录情况: SCI
摘要: A rapid, sensitive, and selective method using a quick, easy, cheap, effective, rugged, and safe procedure in combination with high-performance liquid chromatography and tandem mass spectrometry was developed for the analysis of fenaminstrobin in peanut and soil. The average recoveries in all samples fall within 88.1%-10%, having relative standard deviations of 2.5%-14%. The limits of quantitation of fenaminstrobin in peanut shell, peanut kernels, peanut plant, and soil were 0.005, 0.004, 0.01, and 0.002 mg kg(-1), respectively. The field trial results show that the half-lives of fenaminstrobin in peanut plant and soil are 1.3-10 and 5.5-20 days, respectively. Residues in peanut kernels were found to be present at <0.004 mg kg(-1) levels, based on good agricultural practices recommended by the manufacturer. The risk posed by fenaminstrobin exposure at the recommended dosage is negligible to humans, depending on the risk quotient.
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