Articles | Volume 19, issue 6
Atmos. Chem. Phys., 19, 4061–4073, 2019
https://doi.org/10.5194/acp-19-4061-2019
Atmos. Chem. Phys., 19, 4061–4073, 2019
https://doi.org/10.5194/acp-19-4061-2019
Research article
02 Apr 2019
Research article | 02 Apr 2019

Insights into the O : C-dependent mechanisms controlling the evaporation of α-pinene secondary organic aerosol particles

Angela Buchholz et al.

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Latest update: 27 Nov 2022
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Short summary
We studied the evaporation of α-pinene secondary organic aerosol particles in clean air to derive their volatility from the observed size changes. We found that the particles became more resilient to evaporation with increased oxidative age, possibly increasing their lifetime in the atmosphere. Also, increased relative humidity increased the particle evaporation. Mass spectrometry measurements of the particles at different stages of evaporation revealed some water-induced composition changes.
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