Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 19, issue 18
Articles | Volume 19, issue 18
https://doi.org/10.5194/acp-19-11939-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-11939-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 18
Research article
 | 
25 Sep 2019
Research article |  | 25 Sep 2019

Trapping of HCl and oxidised organic trace gases in growing ice at temperatures relevant to cirrus clouds

Matthias Kippenberger, Gerhard Schuster, Jos Lelieveld, and John N. Crowley

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Short summary
We investigated the uptake of several trace gases to growing ice surfaces at temperatures relevant to cirrus clouds. HCl, a strong inorganic acid that ionises at the surface, was efficiently trapped in the growing ice, whereas oxidised organic trace gases, which attach to ice by hydrogen bonding, were not. HCl can be efficiently and rapidly removed from the gas phase in supersaturated ice clouds.
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