Fast Gas Chromatography-Time-of-Flight Mass Spectrometry of Polychlorinated Biphenyls and Other Environmental Contaminants

Practical applications of fast gas chromatography (GC) with time-of-flight mass spectrometry (TOFMS) are presented. A narrow-bore column (0.10-mm i.d.) is used to analyze over 100 specific polychlorinated biphenyl congeners in an Aroclor mix and a sediment sample in 10.5 min. Sample preparation is m...

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Bibliographic Details
Published in:Journal of chromatographic science 2002-05, Vol.40 (5), p.254-268
Main Author: Cochran, Jack W.
Format: Article
Language:English
Subjects:
Environmental Pollutants - analysis
Gas Chromatography-Mass Spectrometry - methods
Hydrogen
Polychlorinated Biphenyls - analysis
Reference Standards
Sensitivity and Specificity
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Summary:Practical applications of fast gas chromatography (GC) with time-of-flight mass spectrometry (TOFMS) are presented. A narrow-bore column (0.10-mm i.d.) is used to analyze over 100 specific polychlorinated biphenyl congeners in an Aroclor mix and a sediment sample in 10.5 min. Sample preparation is minimized for the sediment to more closely match the speed advantage gained by using fast GC-TOFMS. The possibility of using a 0.53-mm-i.d. column operated under vacuum-outlet conditions for fast GC-TOFMS is established for Aroclors and a suite of environmental contaminants. Fast acquisition rates and automated peak-find and spectral deconvolution capabilities are demonstrated for TOFMS.
ISSN:0021-9665
1945-239X
DOI:10.1093/chromsci/40.5.254