Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 18, issue 5
Articles | Volume 18, issue 5
https://doi.org/10.5194/acp-18-3249-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-3249-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 5
Research article
 | 
07 Mar 2018
Research article |  | 07 Mar 2018

Nighttime oxidation of surfactants at the air–water interface: effects of chain length, head group and saturation

Federica Sebastiani, Richard A. Campbell, Kunal Rastogi, and Christian Pfrang

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Short summary
We report the first kinetic study of a key atmospheric nighttime oxidant (NO3) with one-molecule thin organic layers at the air–water interface. Organic molecules were chosen to establish the impact of head group, aliphatic chain length and saturation. We show that NO3 may dominate degradation at night, retention of the organic character varies strongly and atmospheric lifetimes are longer than those determined at the interface – a key motivation for further experimental and modelling studies.
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