Articles | Volume 21, issue 11
Atmos. Chem. Phys., 21, 8479–8498, 2021
https://doi.org/10.5194/acp-21-8479-2021

Special issue: Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

Atmos. Chem. Phys., 21, 8479–8498, 2021
https://doi.org/10.5194/acp-21-8479-2021

Research article 04 Jun 2021

Research article | 04 Jun 2021

Importance of secondary organic aerosol formation of α-pinene, limonene, and m-cresol comparing day- and nighttime radical chemistry

Anke Mutzel et al.

Data sets

Data from experiment at RH = 50 % (α-pinene / OH, α-pinene / NO3, limonene / OH, limonene / NO3, cresol / NO3) EUROCHAMP https://data.eurochamp.org/data-access/chamber-experiments/#/

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Short summary
This study investigates secondary organic aerosol (SOA) formation and particle growth from α-pinene, limonene, and m-cresol oxidation through NO3 and OH radicals and the effect of relative humidity. The formed SOA is comprehensively characterized with respect to the content of OC / EC, WSOC, SOA-bound peroxides, and SOA marker compounds. The findings present new insights and implications of nighttime chemistry, which can form SOA more efficiently than OH radical reaction during daytime.
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