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Compound specific carbon and hydrogen stable isotope analyses of volatile organic compounds in various emissions of combustion processes.
MedLine Citation:
PMID:  22921436     Owner:  NLM     Status:  Publisher    
This study presents carbon (δ(13)C) and hydrogen (δD) isotope values of volatile organic compounds (VOCs) in various emission sources using thermal desorption-gas chromatography-isotope ratio mass spectrometry (TD-GC-irMS). The investigated VOCs ranged from C6 to C10. Samples were taken from (i) car exhaust emissions as well as from plant combustion experiments of (ii) various C3 and (iii) various C4 plants. We found significant differences in δ values of analysed VOCs between these sources, e.g. δ(13)C of benzene ranged between (i) -21.7±0.2‰, (ii) -27.6±1.6‰ and (iii) -16.3±2.2‰, respectively and δD of benzene ranged between (i) -73±13‰, (ii) -111±10‰ and (iii) -70±24‰, respectively. Results of VOCs present in investigated emission sources were compared to values from the literature (aluminium refinery emission). All source groups could be clearly distinguished using the dual approach of δ(13)C and δD analysis. The results of this study indicate that the correlation of compound specific carbon and hydrogen isotope analysis provides the potential for future research to trace the fate and to determine the origin of VOCs in the atmosphere using thermal desorption compound specific isotope analysis.
Christiane D Vitzthum von Eckstaedt; Kliti Grice; Marisa Ioppolo-Armanios; David Kelly; Mark Gibberd
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-23
Journal Detail:
Title:  Chemosphere     Volume:  -     ISSN:  1879-1298     ISO Abbreviation:  Chemosphere     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0320657     Medline TA:  Chemosphere     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Department of Chemistry, WA-Organic and Isotope Geochemistry Centre, The Institute for Geoscience Research, John de Laeter Centre for Mass Spectrometry, Curtin University, GPO Box U1987, Perth, WA 6845, Australia.
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