Analysis of Perfluoroalkyl Substances (PFASs) in Settled Dust by Liquid Chromatography with Tandem Mass Spectrometry: Method Validation and Application to Vietnamese House and Road Dusts.

IF 2.2 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Anh Quoc Hoang, Mai Anh Luu, The Hieu Nguyen, Duc Hieu Nguyen, Thi Huyen Trang Luu, Thi Phuong Mai Nguyen, Thi Hong Thuy Do, Hoang Anh Dinh, Linh Trang Nguyen, Thi Lieu Tran, Thi Quynh Hoa Nguyen, Thi Anh Huong Nguyen
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引用次数: 0

Abstract

Information about perfluoroalkyl substances (PFASs) like perfluoroalkyl carboxylic acids (PFCAs) and sulfonates (PFSs) in settled dust from emerging and developing countries is still limited, partly due to the lack of efficient analytical methods. In this study, a reliable, simple, and cost-effective analytical procedure was developed and validated to determine 12 PFCAs and 4 PFSs in dust samples. The samples were ultrasonicated with methanol, followed by a dispersive sorbent clean-up step with graphitized carbon and quantification by liquid chromatography with tandem mass spectrometry (LC-MS/MS) method. The analytical method exhibited adequate recovery (80-120% for native standards and 50-130% for labeled standards), precision (relative standard deviations < 25%), and detection limits (0.010-0.10 ng/g). The validated method was applied to analyze PFAS concentrations in settled dusts collected from Hanoi, Vietnam. PFASs were frequently detected in the Vietnamese dust samples at relatively low concentrations (median 4.15, max 27.4 ng/g).

液相色谱-串联质谱法分析沉降尘中的全氟烷基物质:方法验证及在越南房屋和道路粉尘中的应用。
关于新兴国家和发展中国家尘埃中全氟烷基羧酸(PFCAs)和磺酸盐(PFSs)等全氟烷基物质的信息仍然有限,部分原因是缺乏有效的分析方法。本研究开发了一种可靠、简单、经济的分析方法,并对其进行了验证,以测定粉尘样品中的12种PFCAs和4种PFSs。样品经甲醇超声处理,石墨化碳分散吸附剂净化,液相色谱-串联质谱(LC-MS/MS)定量。分析方法具有足够的回收率(原生标准80-120%,标记标准50-130%)和精密度(相对标准偏差)
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来源期刊
CiteScore
5.60
自引率
3.70%
发文量
230
审稿时长
1.7 months
期刊介绍: The Bulletin of Environmental Contamination and Toxicology(BECT) is a peer-reviewed journal that offers rapid review and publication. Accepted submissions will be presented as clear, concise reports of current research for a readership concerned with environmental contamination and toxicology. Scientific quality and clarity are paramount.
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