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Secondary Organic Aerosol from the Photooxidation of Aromatic Hydrocarbons: Molecular Composition

Forstner, Hali J. L. and Flagan, Richard C. and Seinfeld, John H. (1997) Secondary Organic Aerosol from the Photooxidation of Aromatic Hydrocarbons: Molecular Composition. Environmental Science and Technology, 31 (5). pp. 1345-1358. ISSN 0013-936X. https://resolver.caltech.edu/CaltechAUTHORS:20150806-163950869

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Abstract

Outdoor smog chamber photooxidations to determine the molecular composition of secondary organic aerosol (SOA) from toluene, m-xylene, p-xylene, ethylbenzene, m-ethyltoluene, p-ethyltoluene, and 1,2,4-trimethylbenzene in sunlight-irradiated hydrocarbon−NO_x mixtures are reported. Gas-phase mechanisms leading to the observed products are proposed. Unsaturated anhydrides (2,5-furandione, 3-methyl-2,5-furandione, 3-ethyl-2,5-furandione) are predominant components of aerosol from all the aromatics, an observation that is consistent with gas-phase aromatic mechanisms involving ring fragmentation. Saturated anhydrides were also detected in significant quantities, which could result from the hydrogenation of the furandiones in sunlight in the particle phase.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/es9605376DOIArticle
http://pubs.acs.org/doi/abs/10.1021/es9605376PublisherArticle
ORCID:
AuthorORCID
Flagan, Richard C.0000-0001-5690-770X
Seinfeld, John H.0000-0003-1344-4068
Additional Information:© 1997 American Chemical Society. Received for review June 19, 1996. Revised manuscript received January 16, 1997. Accepted January 23, 1997. This work was supported by the U.S. Environmental Protection Agency Exploratory Environmental Research Center on Airborne Organics (R-819714-01-0), National Science Foundation Grant ATM-9307603, the Coordinating Research Council (A-5-1), and the Chevron Corporation.
Funders:
Funding AgencyGrant Number
Environmental Protection Agency (EPA)R-819714-01-0
NSFATM-9307603
Coordinating Research CouncilA-5-1
Chevron CorporationUNSPECIFIED
Issue or Number:5
Record Number:CaltechAUTHORS:20150806-163950869
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150806-163950869
Official Citation:Secondary Organic Aerosol from the Photooxidation of Aromatic Hydrocarbons:  Molecular Composition Hali J. L. Forstner, Richard C. Flagan, and John H. Seinfeld Environmental Science & Technology 1997 31 (5), 1345-1358 DOI: 10.1021/es9605376
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59279
Collection:CaltechAUTHORS
Deposited By: Irina Meininger
Deposited On:09 Dec 2015 01:05
Last Modified:03 Oct 2019 08:45

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