综述了综合二维气相色谱质谱技术在环境样品中持久性有机污染物和超痕量有机污染物分析中的应用

IF 3.6 3区 化学 Q2 CHEMISTRY, ANALYTICAL Reviews in Analytical Chemistry Pub Date : 2022-01-01 DOI:10.1515/revac-2022-0034
Oliver Vaye, R. S. Ngumbu, Dan Xia
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引用次数: 4

摘要

环境基质中复杂样品的分析对分析化学家提出了极大的挑战,因为已知和未知的化合物数量众多,并且具有不同的物理和化学性质。在过去的十年中,全面的二维(2D)气相色谱(GC × GC)与质谱(MS)相结合的引入极大地改变了来自不同环境介质的超痕量有机污染物的分析概况。这篇综述文章提供了2014年1月至2019年8月期间使用综合2D GC/ ms方法的选定文章的摘要。讨论了单(Q)和三(QqQ)四极杆、低分辨率和高分辨率飞行时间(TOF)、混合(四极杆TOF-MS)与GC × GC耦合的各种质谱检测器的应用,以及它们在不同环境基质中分析持久性和新兴有机污染物的优势。重点介绍了GC × GC-电子捕获检测器(ECD)和GC × GC-μECD在特定时间内对环境介质中超痕量卤化(溴和氯)化合物的选择性和灵敏度的提高。
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A review of the application of comprehensive two-dimensional gas chromatography MS-based techniques for the analysis of persistent organic pollutants and ultra-trace level of organic pollutants in environmental samples
Abstract Analysis of complex samples in environmental matrices poses extreme challenge for analytical chemists as the number of known and unknown compounds are numerous and have varying physical and chemical properties. The introduction, over the past decade, of comprehensive two-dimensional (2D) gas chromatography (GC × GC) paired with mass spectrometry (MS) has tremendously changed the analytical profiles of ultra-trace levels of organic pollutants from different environmental media. This review article provides a summary of selected articles using comprehensive 2D GC/MS-based methodologies from January 2014 to August 2019. The applications of various MS detectors, such as single (Q) and triple (QqQ) quadrupole, low resolution and high resolution time-of-flight (TOF), and the hybrid (quadrupole TOF-MS), coupled to GC × GC, and their benefits for analyzing persistent and emerging organic pollutants when applied to different environmental matrices were discussed. Emphasis was given to reviewing some applications of GC × GC-electron capture detector (ECD) and GC × GC-μECD within the specified period as these detectors have improved selectivity and sensitivity toward halogenated (bromine and chloride) compounds found in ultra-trace levels of environmental media.
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来源期刊
Reviews in Analytical Chemistry
Reviews in Analytical Chemistry 化学-分析化学
CiteScore
7.50
自引率
0.00%
发文量
15
审稿时长
>12 weeks
期刊介绍: Reviews in Analytical Chemistry publishes authoritative reviews by leading experts in the dynamic field of chemical analysis. The subjects can encompass all branches of modern analytical chemistry such as spectroscopy, chromatography, mass spectrometry, electrochemistry and trace analysis and their applications to areas such as environmental control, pharmaceutical industry, automation and other relevant areas. Review articles bring the expert up to date in a concise manner and provide researchers an overview of new techniques and methods.
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