Identification of polymers as major components of atmospheric organic aerosols
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Author (Corporation)
Publication date
2004
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01A - Journal article
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Science
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Volume
303
Issue / Number
5664
Pages / Duration
1659-1662
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Springer
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Abstract
Results from photooxidation of aromatic compounds in a reaction chamber show that a substantial fraction of the organic aerosol mass is composed of polymers. This polymerization results from reactions of carbonyls and their hydrates. After aging for more than 20 hours, about 50% of the particle mass consists of polymers with a molecular mass up to 1000 daltons. This results in a lower volatility of this secondary organic aerosol and a higher aerosol yield than a model using vapor pressures of individual organic species would predict.
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ISBN
ISSN
0036-8075
1095-9203
1095-9203
Language
English
Created during FHNW affiliation
No
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Publication status
Published
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Peer review of the complete publication
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Closed
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Citation
Kalberer, M., Paulsen, D., Sax, M., Steinbacher, M., Dommen, J., Prévôt, A. S. H., Fisseha, R., Weingartner, E., Frankevich, V., Zenobi, R., & Baltensperger, U. (2004). Identification of polymers as major components of atmospheric organic aerosols. Science, 303(5664), 1659–1662. https://doi.org/10.1126/science.1092185