Quick analysis of sixteen PFAAs in groundwater and aquifer by ultra-performance liquid chromatography-triple quadrupole mass spectrometry

被引：0

作者：

Liu M. ^{[1
]}

Wang L. ^{[2
,3
]}

Chen L. ^{[1
]}

机构：

[1] School of Civil Engineering, Tianjin University, State Key Laboratory of Hydraulic Engineering Simulation and Safe, Tianjin

[2] Sinomine (Tianjin) Rock and Mineral Analysis Co., Ltd., Tianjin

[3] School of Environmental Science and Engineering, Tianjin University, Tianjin

来源：

Earth Science Frontiers | 2019年 / 26卷 / 04期

关键词：

Liquid chromatography-tandem mass spectrometry; Perfluoroalkyl carboxylic acid (PFCA); Perfluoroalkyl sulfonic acid (PFSA); Soil; Water;

D O I：

10.13745/j.esf.sf.2019.5.32

中图分类号：

学科分类号：

摘要：

Perfluorinated alkyl acids (PFAAs) are a group of emerging persistent organic pollutant that have received increasing attention due to their global occurrence, accumulation and toxicity. At present, PFAA detection mainly uses high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), gas chromatography (GC) and spectroscopy. However, these detection methods often involve complicated sample pretreatment, longer work cycle and higher cost, therefore, they are not suitable for quick PFAA detection. In this study, we developed a method for quick analysis of 16 PFAAs in groundwater and aquifer based on UPLC-MS/MS. In the experiment, the groundwater sample was filtered through 0.22 μm membrane and injected directly into the detection instrument; the aquifer sample was prepared by liquid solvent extraction. A good linear calibration using 16 PFAAs standards was achieved (R2>0.99) in the low and high concentration ranges of 5-50 and 100-500 μg/L, respectively. The method's detection limits (MDLs) of 16 PFAAs in groundwater were 0.06-1.07 μg/L, and the recovery rates were 75%-120% with relative standard deviations (RSD) at 2.61%-9.19%. In aquifer media, MDLs of 14 PFAAs were 2.69-12.33 ng/L, and the recovery rates were 65%-103% with RSDs at 1.96%-7.22%. © 2019, Editorial Office of Earth Science Frontiers. All right reserved.

引用

页码：307 / 314

页数：7

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