Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 16, issue 18
Articles | Volume 16, issue 18
https://doi.org/10.5194/acp-16-11937-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-11937-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 18
Research article
 | 
23 Sep 2016
Research article |  | 23 Sep 2016

Heterogeneous kinetics of H2O, HNO3 and HCl on HNO3 hydrates (α-NAT, β-NAT, NAD) in the range 175–200 K

Riccardo Iannarelli and Michel J. Rossi

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Short summary
Both adsorption and evaporation kinetics of water, nitric acid and hydrochloric acid on nitric acid hydrates were measured under upper tropospheric/lower stratospheric conditions. The evaporative lifetimes of "contaminated" ice clouds are important parameters for heterogeneous processing controlling polar ozone in the winter/spring season ("ozone hole"). We measured both the adsorption and evaporation kinetics, resulting in the corresponding vapor pressure as a validity check of the results.
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