Forstner, Hali J. L. and Flagan, Richard C. and Seinfeld, John H. (1997) Molecular speciation of secondary organic aerosol from photooxidation of the higher alkenes: 1-octene and 1-decene. Atmospheric Environment, 31 (13). pp. 1953-1964. ISSN 1352-2310. doi:10.1016/s1352-2310(96)00356-1. https://resolver.caltech.edu/CaltechAUTHORS:20230222-980742900.7
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Abstract
Outdoor smog chamber photooxidations to determine the molecular composition of secondary organic aerosol (SOA) from 1-octene and 1-decene in sunlight-irradiated hydrocarbon-NO_x mixtures are reported. The observed products are consistent with the current understanding of alkene reactions with OH and O₃. Gas-phase mechanisms leading to the observed products are outlined. Heptanal, heptanoic acid, and dihydro-5-propyl-2(3H)-furanone were the dominant organics identified in 1-octene aerosol. The corresponding species in 1-decene aerosol were nonanal, nonanoic acid, and dihydro-5-pentyl-2(3H)-furanone. Measured aerosol yields from 1-octene and 1-decene experiments are also reported, and are found to correlate with organic mass concentration according to semi-volatile gas/particle partitioning theory. A new organic aerosol extraction procedure utilizing supercritical CO₂ extraction is outlined.
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Additional Information: | This work was supported by US Environmental Protection Agency Exploratory Environmental Research Center on Airborne Organics (R-819714-01-0) and National Science Foundation grant ATM-9307603. | ||||||
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Issue or Number: | 13 | ||||||
DOI: | 10.1016/s1352-2310(96)00356-1 | ||||||
Record Number: | CaltechAUTHORS:20230222-980742900.7 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20230222-980742900.7 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 119468 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 22 Feb 2023 23:22 | ||||||
Last Modified: | 22 Feb 2023 23:22 |
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