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题名: Simultaneous qualitative and quantitative analysis of fluoroalkyl sulfonates in riverine water by liquid chromatography coupled with Orbitrap high resolution mass spectrometry
作者: Lin, Yongfeng; Liu, Runzeng; Hu, Fanbao; Liu, Ruirui; Ruan, Ting; Jiang, Guibin
刊名: JOURNAL OF CHROMATOGRAPHY A
出版日期: 2016-02-26
卷号: 1435, 期号:0, 页码:66-74
关键词: Perfluoroalkyl sulfonates ; Fluorotelomer sulfonates ; LC-MS/MS ; High resolution mass spectrometry ; Tribrid Orbitrap ; Riverine water
DOI: 10.1016/j.chroma.2016.01.039
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: In this study, a robust method for quick screening, confirmation and quantification analysis of eight fluoroalkyl sulfonates in surface riverine samples was developed using ultra-high performance liquid chromatography-high resolution mass spectrometer (LC-Orbitrap Tribrid HRMS). Weak anion exchange solid phase extraction was optimized to maximum recover perfluoroalkyl sulfonates (PFSAs), fluorotelomer sulfonates and the emerging 6:2 chlorinated polyfluoroalkyl ether sulfonate at the same time. Both qualitative and quantitative purposes could be achieved by simultaneous acquiring full-scan mass spectrum (MS1) and data-dependent MS2 data. The LC-Orbitrap Tribrid HRMS method showed competent method detection limits for all analytes (7.1-62 pg/L) compared with the triple quadrupole mass spectrometry (LC-MS/MS) quantification method (12-54 pg/L), and satisfactory method validation results were also obtained in linearity (R-2 > 0.999), trueness (88-118%), precision (2-17%) and recovery (63-103%). A good correlation (R > 0.999) was found between the sets of quantified PFSA residue concentrations in thirteen estuary river samples by both the LC-Orbitrap Tribrid HRMS (0.2-440 ng/L) and LC-MS/MS (0.1-424 ng/L) methods, indicating that Orbitrap Tribrid HRMS could be used for reliable quantitative analysis purpose. Moreover, the LC-Orbitrap Tribrid HRMS method could also benefit from its high mass resolution characteristic to eliminate potential environment interferents (e.g., taurodeoxycholate) and to quantify all PFSA isomers based on full-scan MS1 chromatogram at a narrow MS window (5 part per million). (C) 2016 Elsevier B.V. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35947
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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