Occurrence investigation of perfluorinated compounds in surface water from East Lake (Wuhan, China) upon rapid and selective magnetic solid-phase extraction

Abstract

Using a novel magnetic nanocomposite as adsorbent, a convenient and effective magnetic solid-phase extraction (MSPE) procedure was established for selective separation and concentration of nine perfluorinated compounds (PFCs) in surface water sample. Then an ultra high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) system was employed for detection of PFCs. Good linearity of the developed analytical method was in the range of 0.5–100 ng L−1 with R2 > 0.9917, and the limits of detection (LODs) ranged from 0.029 to 0.099 ng L−1. At three fortified concentrations of 0.5, 5 and 50 ng L−1, the spiked recoveries of PFCs were in the range of 90.05–106.67% with RSDs < 12.62% (n = 3). The proposed analytical method was applied for determination of PFCs in surface water from East Lake (Wuhan, China). The total concentrations of nine PFCs ranged from 30.12 to 125.35 ng L−1, with perfluorooctane sulfonate and perfluoroctanoic acid as the most prevalent PFCs, and the greatest concentrations of PFCs were observed in Niuchao lakelet. The concentrations of the PFCs (C ≥ 11) were mostly less than the limits of quantification (LOQs), attributed to the possibility that the more hydrophobic long-chain PFCs are potential to accumulate in sediment and aquatic biota.

Release of Perfluoroalkyl Substances From Melting Glacier of the Tibetan Plateau: Insights Into the Impact of Global Warming on the Cycling of Emerging Pollutants

“…For instance, the ΣPFAA concentrations of Lake Nam Co are slightly lower than those reported for a lake in Longyearbyen, Svalbard Arctic (2495.6 pg/L; Kwok et al, ) but higher than for the Meromictic Lakes in High Arctic Canada (27–754 pg/L; Veillette et al, ). However, the results of the present study are 1 to 2 orders of magnitude lower than those reported for East Lake in central China (30.12–125.35 ng/L; Zhou et al, ) and Washington Park Lake in America (9.49–35.9 ng/L; Kim & Kannan, ). PFBA and PFOS were the dominant compounds in Lake Nam Co, contributing 19% and 17% of all PFAAs, respectively.…”

Removal of perfluorinated compounds from wastewaters by electrochemical methods: A general review

“…我国水环境中也普遍存在着PFCs污染问题 表1 [50,57,58] ; 渤海水系的PFCs污染具有显著 的区域差异性, 污染最严重地区检出的PFCs总浓度 比污染程度最低地区的检出浓度高3个数量级 [56] . 濒 临辽宁省和山东省处的渤海中PFCs检出浓度分别为 22.4~26730和11.3~69238 ng L −1 , 比河北省和天津渤海 沿岸高2个数量级, 主要原因可能与在以上地区存在 氟化学工业园区排放的污水有关 [56] .…”

Source apportionment and wet deposition of atmospheric poly- and per-fluoroalkyl substances in a metropolitan city centre of southwest China

“…In China, the textile, leather and paper production have produced a large number of PFASs since 2003. In 2006, fifteen enterprises produced more than 200 tons of sodiumperfluoro-1-octanesulfonate (PFOS), and in 2010, the associated PFOS output was more than 1 million tons (Zhou et al, 2016). In 2014, limited use of PFOS and its related compounds took effect in China (Mee, 2019).…”