Articles | Volume 22, issue 19
https://doi.org/10.5194/acp-22-13167-2022
https://doi.org/10.5194/acp-22-13167-2022
Research article
 | 
13 Oct 2022
Research article |  | 13 Oct 2022

Particle-phase processing of α-pinene NO3 secondary organic aerosol in the dark

David M. Bell, Cheng Wu, Amelie Bertrand, Emelie Graham, Janne Schoonbaert, Stamatios Giannoukos, Urs Baltensperger, Andre S. H. Prevot, Ilona Riipinen, Imad El Haddad, and Claudia Mohr

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Cited articles

Bates, K. H., Burke, G. J. P., Cope, J. D., and Nguyen, T. B.: Secondary organic aerosol and organic nitrogen yields from the nitrate radical (NO3) oxidation of alpha-pinene from various RO2 fates, Atmos. Chem. Phys., 22, 1467–1482, https://doi.org/10.5194/acp-22-1467-2022, 2022. 
Bell, D.: Atmospheric simulation chamber study: alpha-pinene + NO3 Aerosol study – particle formation, AERIS [data set], https://doi.org/10.25326/T8K0-6754, 2019a. 
Bell, D.: Atmospheric simulation chamber study: alpha-pinene + NO3 Aerosol study – particle formation, AERIS [data set], https://doi.org/10.25326/N0SR-GM67, 2019b. 
Bell, D.: Atmospheric simulation chamber study: alpha-pinene + NO3 Aerosol study – particle formation, AERIS [data set], https://doi.org/10.25326/63RB-RT25, 2019c. 
Short summary
A series of studies designed to investigate the evolution of organic aerosol were performed in an atmospheric simulation chamber, using a common oxidant found at night (NO3). The chemical composition steadily changed from its initial composition via different chemical reactions that were taking place inside of the aerosol particle. These results show that the composition of organic aerosol steadily changes during its lifetime in the atmosphere.
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