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J Chromatogr A


Title:Fast analysis of volatile organic compounds and disinfection by-products in drinking water using solid-phase microextraction-gas chromatography/time-of-flight mass spectrometry
Author(s):Niri VH; Bragg L; Pawliszyn J;
Address:"Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada"
Journal Title:J Chromatogr A
Year:2008
Volume:20080326
Issue:2
Page Number:222 - 227
DOI: 10.1016/j.chroma.2008.03.062
ISSN/ISBN:0021-9673 (Print) 0021-9673 (Linking)
Abstract:"A fast method was developed for the extraction and analysis of volatile organic compounds, including disinfection by-products (DBPs), with headspace solid-phase microextraction (HS-SPME) and gas chromatography/mass spectrometry (GC/MS) techniques. A GC/time-of-flight (TOF)-MS instrument, which had fast acquisition rates and powerful deconvolution software, was used. Under optimum conditions total runtime was 45s. Volatile organic compounds (VOCs), including purgeable A and B compounds (listed in US Environmental Protection Agency method 624), were identified in standard water samples. Extraction times were 1min for more volatile compounds and 2min for less volatile compounds. The method was applied to the analysis of water samples treated under different disinfection processes and the results were compared with those from a liquid-liquid extraction method"
Keywords:"Disinfectants/*analysis Gas Chromatography-Mass Spectrometry/*methods Organic Chemicals/*analysis Solid Phase Microextraction/*methods Water/*analysis Water Pollutants, Chemical/*analysis Water Supply/*analysis;"
Notes:"MedlineNiri, Vadoud H Bragg, Leslie Pawliszyn, Janusz eng Research Support, Non-U.S. Gov't Netherlands 2008/04/11 J Chromatogr A. 2008 Aug 8; 1201(2):222-7. doi: 10.1016/j.chroma.2008.03.062. Epub 2008 Mar 26"

 
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