@article{
 title = {Secondary Organic Aerosol Production from Terpene Ozonolysis. 1. Effect of UV Radiation},
 type = {article},
 year = {2005},
 identifiers = {[object Object]},
 keywords = {Acids,Acids: analysis,Aerosols,Air Pollutants,Air Pollutants: analysis,Atmosphere,Chemical,Gas Chromatography-Mass Spectrometry,Keto Acids,Keto Acids: analysis,Ketones,Ketones: analysis,Light,Models,Monoterpenes,Monoterpenes: analysis,Organic Chemicals,Organic Chemicals: analysis,Oxidants,Ozone,Particle Size,Photochemical,Photochemical: analysis,Temperature,Terpenes,Terpenes: analysis,Time Factors,Ultraviolet Rays},
 pages = {7036-7045},
 volume = {39},
 websites = {http://www.ncbi.nlm.nih.gov/pubmed/16201627,http://pubs.acs.org/doi/abs/10.1021/es050174m},
 month = {9},
 day = {15},
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 accessed = {2014-10-31},
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 last_modified = {2015-05-11T20:42:36.000Z},
 read = {true},
 starred = {false},
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 hidden = {false},
 citation_key = {Presto2005},
 source_type = {Journal Article},
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 abstract = {We report secondary organic aerosol (SOA) yields from the ozonolysis of alpha-pinene under both dark and UV-illuminated conditions. Exposure to UV light reduces SOA yield by 20-40%, with a maximum reduction in yield coinciding with a minimum in the amount of terpene consumed (15-30 ppb). The data are consistent with a constant absolute reduction in the yield of approximately 0.03. Gas chromatography mass spectrometry analysis of filter samples indicates that the major products found in alpha-pinene SOA include organic acids (e.g., pinic acid), keto acids (e.g., pinonic acid), and hydroxy keto acids (e.g., 10-hydroxypinonic acid). Analysis of filter-based results suggests that yield reduction is a result of the formation of a more volatile product distribution when experiments are conducted in the presence of UV light. These results implythat previous "dark bag" experiments may overestimate SOA generation from monoterpenes and also that SOA generation in the atmosphere may depend significantly on actinic flux.},
 bibtype = {article},
 author = {Presto, Albert A and Huff Hartz, Kara E. and Donahue, Neil M. and Hartz, Kara E Huff and Donahue, Neil M. and Huff Hartz, Kara E. and Donahue, Neil M.},
 journal = {Environmental Science & Technology},
 number = {18}
}

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