Determination of neonicotinoid insecticides residues in eels using subcritical water extraction and ultra-performance liquid chromatography-tandem mass spectrometry
文献类型: 外文期刊
第一作者: Xiao, Zhiming
作者: Xiao, Zhiming;Yang, Yunxia;Li, Yang;Fan, Xia;Ding, Shuangying
作者机构:
关键词: Neonicotinoid;Eel;Subcritical water extraction;Ultra-performance liquid chromatography;Tandem mass spectrometry
期刊名称:ANALYTICA CHIMICA ACTA ( 影响因子:6.558; 五年影响因子:6.228 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A rapid, sensitive, and environmental-friendly multi-residue method has been developed for the simultaneous determination of seven neonicotinoid insecticides (dinotefuran, nitenpyram, thiamethoxam, imidacloprid, clothianidin, acetamiprid, and thiacloprid) residues in eel samples. Subcritical water extraction was investigated as a novel and alternative technology for the extraction of neonicotinoids from eel matrices and the results were compared with the conventional ultrasonic and shaking extraction. The target compounds were identified and quantitatively determined by ultra-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry (UPLC-MS/MS) operated in multiple reaction monitoring mode. Under the current optimized chromatographic conditions, each LC run was completed in 5 min. Average recoveries of the seven analytes from fortified samples ranged between 84.6% and 102.0%, with relative standard deviations (RSD) lower than 10.8%. The limits of detection (LODs) and quantification (LOQs) for neonicotinoids were in the ranges of 0.12-0.36 μgkg~(-1) and 0.42-1.12 μg kg~(-1), respectively. The proposed method is fast, sensitive, easy to perform, water-based thus more environmentally acceptable, making it applicable for high-throughput monitoring of insecticides residues in aquatic products.
分类号: O65
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