Articles | Volume 18, issue 19
https://doi.org/10.5194/acp-18-14585-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-14585-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Influence of relative humidity on the heterogeneous oxidation of secondary organic aerosol
Atmospheric Sciences Graduate Group, University of California, Davis,
USA
Katherine A. Smith
Dept. of Civil and Environmental Engineering, University of
California, Davis, USA
Dept. of Civil and Environmental Engineering, University of
California, Davis, USA
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36 citations as recorded by crossref.
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- Dynamic response of light absorption by PM2.5 bound water-soluble organic carbon to heterogeneous oxidation D. Ray et al. 10.1080/02786826.2019.1661350
- Visualizing reaction and diffusion in xanthan gum aerosol particles exposed to ozone P. Alpert et al. 10.1039/C9CP03731D
- Effects of NO2 and RH on secondary organic aerosol formation and light absorption from OH oxidation of ο-xylene S. Liu et al. 10.1016/j.chemosphere.2022.136541
- Diffusion of Organic Molecules as a Function of Temperature in a Sucrose Matrix (a Proxy for Secondary Organic Aerosol) K. Kiland et al. 10.1021/acs.jpclett.9b02182
- Mechanistic study of the formation of ring-retaining and ring-opening products from the oxidation of aromatic compounds under urban atmospheric conditions A. Zaytsev et al. 10.5194/acp-19-15117-2019
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- Modeling the Effects of Dimerization and Bulk Diffusion on the Evaporative Behavior of Secondary Organic Aerosol Formed from α-Pinene and 1,3,5-Trimethylbenzene Y. Morino et al. 10.1021/acsearthspacechem.0c00106
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- Photolytic Aging of Secondary Organic Aerosol: Evidence for a Substantial Photo-Recalcitrant Fraction R. O’Brien & J. Kroll 10.1021/acs.jpclett.9b01417
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Latest update: 23 Nov 2024
Short summary
We investigated the influence of relative humidity (RH) on the heterogeneous oxidation of secondary organic aerosol (SOA) particles by OH radicals. We observed significantly faster volume loss and compositional change of SOA at high RH, showing that viscosity differences determine compositional changes, but variability in either the uptake coefficient or the fragmentation probability are required to explain the difference in volume loss between low and high RH.
We investigated the influence of relative humidity (RH) on the heterogeneous oxidation of...
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