Determination of Residues of Cyantraniliprole and Its Metabolite J9Z38 in Watermelon and Soil Using Ultra-Performance Liquid Chromatography/Mass Spectrometry
文献类型: 外文期刊
作者: Hu, Xiuqing 1 ; Zhang, Changpeng 1 ; Zhu, Yahong 1 ; Wu, Min 1 ; Cai, Xiaoming 1 ; Ping, Lifeng 2 ; Li, Zhen;
作者机构: 1.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, State Key Lab Breeding Base Zhejiang Sustainable, MOA Key Lab Pesticide Residue Detect, Hangzhou 310021, Zhejiang, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Qual & Stand Agroprod, State Key Lab Breeding Base Zhejiang Sustainable, MOA Key
期刊名称:JOURNAL OF AOAC INTERNATIONAL ( 影响因子:1.913; 五年影响因子:1.754 )
ISSN: 1060-3271
年卷期: 2013 年 96 卷 6 期
页码:
收录情况: SCI
摘要: A method was developed for the determination of cyantraniliprole (HGW86) and its metabolite J9Z38 in watermelon and soil by ultra-performance LC (UPLC)/MS/MS. Target compounds were extracted by acetonitrile-water, cleaned up on a silica gel column, and determined by UPLC/MS/MS. Average recoveries of cyantraniliprole and J9Z38 in watermelon and soil at three levels (0.01, 0.1, and 0.5 mg/kg) ranged from 85.71 to 105.74%, with RSDs of 0.90-6.34%. The LOQs for cyantraniliprole and J9Z38 were determined to be 0.00021, 0.00015, 0.0010, and 0.00090 mg/kg in watermelon and soil samples, respectively. This method was used to determine the cyantraniliprole and J9Z38 residues in watermelon and soil samples for studies on their dissipation. The trial results showed that the half-lives of cyantraniliprole obtained after treatments were 1.1 and 4.1 days in watermelon and soil in Zhejiang, and 2.7 and 2.6 days in watermelon and soil in Hunan, respectively. The average levels of cyantraniliprole and J9Z38 residues in watermelon and soil were all <0.01 mg/kg within the 14-day interval after treatment.
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