Simultaneous Determination of Ten Tranquilizers and Their Metabolites in Aquatic Products by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry
Scientific Papers|更新时间:2023-07-12
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Simultaneous Determination of Ten Tranquilizers and Their Metabolites in Aquatic Products by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry
Journal of Instrumental AnalysisVol. 42, Issue 7, Pages: 833-840(2023)
WANG Xu-feng,WANG Qiang,ZHANG Ying-xia,et al.Simultaneous Determination of Ten Tranquilizers and Their Metabolites in Aquatic Products by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(07):833-840.
WANG Xu-feng,WANG Qiang,ZHANG Ying-xia,et al.Simultaneous Determination of Ten Tranquilizers and Their Metabolites in Aquatic Products by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2023,42(07):833-840. DOI: 10.19969/j.fxcsxb.23040604.
Simultaneous Determination of Ten Tranquilizers and Their Metabolites in Aquatic Products by Ultra-performance Liquid Chromatography-Tandem Mass Spectrometry
A multi-residue analytical method was established for the simultaneous determination of ten tranquilizers and their metabolites in aquatic products by pass-through solid phase extraction(SPE) in combination with ultra-performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS).Samples were extracted with 1% ammonium hydroxide-ethyl acetate,followed by one-step cleanup based on KNORTH m-PFC SPE cartridge.The purified extractions were blew to dryness under nitrogen gas.The dried residues were dissolved with 0.5 mL acetonitrile and then injected into UPLC-MS/MS.The chromatographic separation of ten target analytes were conducted on a JADE-PAK KP-C,18, column(100 mm × 2.1 mm,1.7 μm) by gradient elution,utilizing 0.1% formic acid-acetonitrile and 0.1% formic acid solution as mobile phases.The targeted analytes were analyzed with positive electrospray ionization under multiple reaction monitoring(MRM) mode,confirmed using ion ratio and retention time,and quantitated by internal standard method.Excellent linearities for ten target analytes were obtained in the corresponding mass concentration ranges,with correlation coefficients(,r,2,) larger than 0.999.The limits of detection and the limits of quantitation for aquatic product samples were in the range of 0.1-0.15 μg/kg and 0.3-0.5 μg/kg,respectively.The average recoveries for four negative aquatic product matrixes at three spiked levels ranged from 82.6% to 117%,with relative standard deviations(RSDs,,n ,= 6) of 1.5%-9.3%.The proposed method is sensitive and versatile,and it can be applied to the multi-residue analysis of ten tranquilizers and their metabolites in various aquatic product matrixes.
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