Articles | Volume 21, issue 2
Atmos. Chem. Phys., 21, 1325–1340, 2021
https://doi.org/10.5194/acp-21-1325-2021
Atmos. Chem. Phys., 21, 1325–1340, 2021
https://doi.org/10.5194/acp-21-1325-2021

Research article 01 Feb 2021

Research article | 01 Feb 2021

Ozonolysis of fatty acid monolayers at the air–water interface: organic films may persist at the surface of atmospheric aerosols

Benjamin Woden et al.

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AR by Christian Pfrang on behalf of the Authors (29 Oct 2020)  Author's response    Manuscript
ED: Publish as is (20 Nov 2020) by Jason Surratt
AR by Christian Pfrang on behalf of the Authors (23 Nov 2020)  Author's response    Manuscript
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Short summary
Atmospheric aerosols contain a large amount of organic compounds, whose oxidation affects their physical properties through a process known as ageing. We have simulated atmospheric ageing experimentally to elucidate the nature and behaviour of residual surface films. Our results show an increasing amount of residue at near-zero temperatures, demonstrating that an inert product film may build up during droplet ageing, even if only ordinarily short-lived reactive species are initially emitted.
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