Determination of 23 perfluorinated alkylated substances in water and suspended particles by ultra-performance liquid chromatography/tandem mass spectrometry
文献类型： 外文期刊
第一作者： Wang, X. F.
作者： Wang, X. F.;Wang, Q.;Li, Z. G.;Huang, K.;Li, L. D.;Zhao, D. H.;Wang, X. F.;Wang, Q.;Li, Z. G.;Huang, K.;Li, L. D.;Zhao, D. H.;Wang, X. F.;Wang, Q.;Li, Z. G.;Huang, K.;Li, L. D.;Zhao, D. H.
作者机构：
关键词： Perfluorinated alkylated substances; water samples; suspended particle samples; ultra-performance liquid chromatography/tandem mass spectrometry; solid phase extraction; dispersive solid phase extraction; determination
期刊名称：JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING （ 影响因子：2.269； 五年影响因子：2.108 ）
ISSN： 1093-4529
年卷期： 2018 年 53 卷 14 期
页码：
收录情况： SCI
摘要： A practical multi-residue method based on ultra-performance liquid chromatography/tandem mass spectrometry was developed for the simultaneous determination of 23 perfluorinated alkylated substances (PFASs) in water and suspended particles. Suspended particle samples were extracted with 1% formic acid-acetonitrile and cleaned by matrix solid phase dispersion extraction using a C-18 sorbent and graphitized carbon black. Water samples were filtered through 0.7-mu m glass fiber membranes and enriched utilizing weak anion exchange cartridges. The eluent was dried under a gentle stream of N-2 at 45 degrees C and suspended in 1 mL acetonitrile-5 mM ammonium acetate (1:1, vol:vol). Gradient elution for chromatographic separation utilized acetonitrile and 5 mM ammonium acetate as mobile phases on a reverse phase C-18 column. The compounds were quantified using an internal standard method in multiple reaction-monitoring mode. Limits of detection and quantitation of the 23 PFAS test compounds in water samples were 0.5-10 ng L-1 and 2-20 ng L-1, respectively. Recoveries at three fortified levels of 20, 50, and 200 ng L-1 ranged from 68.5% to 118% with relative standard deviations below 9.6%. We used this method to determine PFAS levels in real water and suspended particle samples and found high sensitivity and good reproducibility.
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