研究机载PFAS传输的多相采样分析方法

IF 0.7 4区 化学 Q4 CHEMISTRY, ANALYTICAL Lc Gc North America Pub Date : 2023-09-01 DOI:10.56530/lcgc.na.vn3175v1
Steve Suh, David Kennedy, Reika Takahara, Manabu Takayanagi, Hiroshi Hayashida, Zhonghua Shen
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引用次数: 0

摘要

作者评估了一个采样和分析系统,以测量大气中全氟和多氟物质(PFAS)传输的不同模式。采用FM4采样模块进行采样,该模块的特点是颗粒收集,然后是聚氨酯泡沫吸附,然后是活性炭盘吸附,该配置旨在捕获含有PFAS的颗粒物质(1微米至10微米),以及气溶胶、挥发性和离子型PFAS。随后,采用气相色谱-串联四极杆质谱(GC-MS /MS)和液相色谱-串联四极杆质谱(LC-MS /MS)对单个取样介质组分进行了33种离子PFAS和20种中性PFAS的分析。在室外城市环境中进行的为期数天的现场采样活动表明,该系统能够捕获和区分许多空气中的PFAS物种。研究表明,同时采集多相样品,结合GC-MS /MS和LC-MS /MS分析,可以进一步阐明大气中PFAS的传输模式和方式。
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A Multiphase Sampling and Analytical Approach for Investigating Airborne PFAS Transmission
The authors evaluated a sampling and analytical system to measure differing modes of atmospheric per- and polyfluorinated substances (PFAS) transmission. The sampling was conducted with the FM4 sampling module, which features particulate collection followed by polyurethane foam sorption followed by activated carbon disc adsorption, a configuration designed to capture PFAS-laden particulate matter (one-micron to ten-microns), as well as aerosol, volatile, and ionic PFAS species in a single sampling event. Individual sampling media fractions were subsequently analyzed by gas chromatography coupled with tandem quadrupole mass spectrometry (GC–MS/MS) and liquid chromatography coupled with tandem quadrupole mass spectrometry (LC–MS/MS) for 33 ionic and 20 neutral PFAS species. A multi-day field sampling event conducted in an outdoor urban environment demonstrated that the system was able to capture and differentiate a number of airborne PFAS species. The study showed that simultaneous, multi-phase sample collection coupled with GC–MS/MS and LC–MS/MS analysis can be a useful approach to further elucidate the mode and manner of atmospheric PFAS transmission.
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来源期刊
Lc Gc North America
Lc Gc North America 化学-分析化学
CiteScore
1.00
自引率
55.60%
发文量
0
审稿时长
2 months
期刊介绍: Founded in 1983, LCGC is the leading provider of digital and print content to the separation science market, enhancing the productivity, efficiency, and the overall value of separation techniques globally. Founded in 1983, LCGC is the leading provider of digital and print content to the separation science market, enhancing the productivity, efficiency, and the overall value of separation techniques globally. With our commitment to editorial excellence we have pioneered innovation across a broad portfolio of digital and print platforms.
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