Determination of 23 Perfluorinated Alkyl Substances in Fishery Products by Ultra Fast Liquid Chromatography-Tandem Mass Spectrometry

文献类型： 外文期刊

第一作者： Guo Meng-Meng

作者： Guo Meng-Meng;Wu Hai-Yan;Li Zhao-Xin;Tan Zhi-Jun;Zhai Yu-Xiu;Guo Meng-Meng;Wu Hai-Yan;Li Zhao-Xin;Tan Zhi-Jun;Zhai Yu-Xiu

作者机构：

关键词： Perfluorinated alkyl substances;Fishery products;Quick easy cheap effective rugged and safe method;Liquid chromatography-tandem mass spectrometry

期刊名称：CHINESE JOURNAL OF ANALYTICAL CHEMISTRY （ 影响因子：1.134； 五年影响因子：0.909 ）

ISSN： 0253-3820

年卷期： 2013 年 41 卷 9 期

页码：

收录情况： SCI

摘要： A method was proposed for the determination of 23 perfluorinated alkyl substances(PFASs) in fishery products by the QuEChERS method and ultra fast liquid chromatography. tandem mass spectrometry (UFLC-MS/MS). The sample was extracted with acidified acetonitrile, cleaned. up by dispersive solid. phase extraction using C-18 and graphitized carbon blacks(GCB). The separation of 23 PFASs was performed on a Kinetex XB-C-18(100 mm x 2. 1 mm, 2. 6 mu m) column using gradient elution of 5 mmol/L ammonium acetate and methanol as mobile phase within 12 min. The PFASs were analyzed under the multiple reaction monitoring (MRM) mode with negative electrospay ionization. Under the optimal conditions, the isotope internal standard method was used to determine the content of 23 PFASs, and improved the quantitative accuracy. The calibration curves were linear well with correlation coefficient over 0. 995. The limits of detection ranged from 0. 002 to 0. 02 mu g/kg. The average spiked recoveries for 23 PFASs were between 75. 6% and 118. 2%, with relative standard derivations (RSDs) from 2. 7% to 14. 5%. The developed method is simple and sensitive, and was suitable for rapid analysis of large quantities of samples.

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