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Formation of secondary organic aerosols from isoprene and its gas-phase oxidation products through reaction with hydrogen peroxide
- Source :
-
Atmospheric Environment . Aug2004, Vol. 38 Issue 25, p4093-4098. 6p. - Publication Year :
- 2004
-
Abstract
- Aerosols produced over forests impair visibility and may affect climate by scattering and absorbing solar radiation and by serving as cloud condensation nuclei. Here, we introduce, to our knowledge, a new route to secondary organic aerosol formation from isoprene and its gas-phase oxidation products, methacrolein and methacrylic acid, namely, multiphase acid-catalysed oxidation with hydrogen peroxide, a perfect analogue to atmospheric sulphate formation. We demonstrate that the formation of major secondary organic aerosol components that are present in natural forest aerosols collected at K-puszta, Hungary, during the summer of 2003, namely, 2-methyltetrols and 2,3-dihydroxymethacrylic acid, can be explained by this mechanism. [Copyright &y& Elsevier]
- Subjects :
- *AEROSOLS
*ISOPRENE
*SOLAR radiation
*HYDROGEN peroxide
Subjects
Details
- Language :
- English
- ISSN :
- 13522310
- Volume :
- 38
- Issue :
- 25
- Database :
- Academic Search Index
- Journal :
- Atmospheric Environment
- Publication Type :
- Academic Journal
- Accession number :
- 13687767
- Full Text :
- https://doi.org/10.1016/j.atmosenv.2004.06.001