Determination of cyflumetofen residue in water, soil, and fruits by modified quick, easy, cheap, effective, rugged, and safe method coupled to gas chromatography/tandem mass spectrometry
文献类型: 外文期刊
第一作者: Liu, Xingang
作者: Liu, Xingang;Dong, Fengshou;Xu, Jun;Zheng, Yongquan;Li, Minmin;Zheng, Yongquan;Qin, Dongmei
作者机构:
关键词: Cyflumetofen acaricides;Fruits;Residue analysis
期刊名称:JOURNAL OF SEPARATION SCIENCE ( 影响因子:3.645; 五年影响因子:2.943 )
ISSN:
年卷期:
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收录情况: SCI
摘要: A new, highly sensitive, and selective method was developed for the determination of the cyflumetofen residue in water, soil, and fruits by using gas chromatography quadruple mass spectrometry. The target compound was extracted using acetonitrile and then cleaned up using dispersive solid-phase extraction with primary and secondary amine and graphitized carbon black, and optionally by a freezing-out cleanup step. The matrix-matched standards gave satisfactory recoveries and relative standard deviation values in different matrices at three fortified levels(0.05, 0.5, and 1.0 mg kg -1). The overall average recoveries for this method in water, soil, and all fruits matrix at three fortified levels ranged from 76.3 to 101.5% with relative standard deviations in the range of 1.2-11.8%(n = 5). The calculated limits of detection and quantification were typically below 0.005 and 0.015 μg kg ~(-1), which were much lower than the maximum residue levels established by Japanese Positive List. This study provides a theoretical basis for China to draw up maximum residue level and analytical method for cyflumetofen acaricide in different fruits.
分类号: O6
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