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Volatility and Aging of Atmospheric Organic Aerosol
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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2014 (English)In: Atmospheric and aerosol chemistry, Springer, 2014, 97-143 p.Chapter in book (Refereed)
Abstract [en]

Organic-aerosol phase partitioning (volatility) and oxidative aging are inextricably linked in the atmosphere because partitioning largely controls the rates and mechanisms of aging reactions as well as the actual amount of organic aerosol. Here we discuss those linkages, describing the basic theory of partitioning thermodynamics as well as the dynamics that may limit the approach to equilibrium under some conditions. We then discuss oxidative aging in three forms: homogeneous gas-phase oxidation, heterogeneous oxidation via uptake of gas-phase oxidants, and aqueous-phase oxidation. We present general scaling arguments to constrain the relative importance of these processes in the atmosphere, compared to each other and compared to the characteristic residence time of particles in the atmosphere.

Place, publisher, year, edition, pages
Springer, 2014. 97-143 p.
, Topics in Current Chemistry, ISSN 0340-1022 ; 339
Keyword [en]
Aerosols, Atmospheric Chemistry, Multiphase Chemistry
National Category
Physical Chemistry Meteorology and Atmospheric Sciences
URN: urn:nbn:se:su:diva-102491DOI: 10.1007/128_2012_355ISI: 000330882200004ISBN: 978-3-642-41215-8ISBN: 978-3-642-41214-1OAI: diva2:710476


Available from: 2014-04-07 Created: 2014-04-07 Last updated: 2014-04-07Bibliographically approved

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Riipinen, Ilona
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Department of Applied Environmental Science (ITM)
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