Articles | Volume 15, issue 4
https://doi.org/10.5194/tc-15-2001-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-2001-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Apr 2021
Research article |
| 23 Apr 2021
| 23 Apr 2021
Interfacial supercooling and the precipitation of hydrohalite in frozen NaCl solutions as seen by X-ray absorption spectroscopy
Thorsten Bartels-Rausch
CORRESPONDING AUTHOR
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
Xiangrui Kong
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
now at: Department of Chemistry and Molecular Biology, Atmospheric
Science, University of Gothenburg, Gothenburg, Sweden
Fabrizio Orlando
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
now at: Omya International AG, Oftringen, Switzerland
Luca Artiglia
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
Astrid Waldner
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
Thomas Huthwelker
Swiss Light Source (SLS), Paul Scherrer Institut, Villigen PSI,
Switzerland
Markus Ammann
Laboratory of Environmental Chemistry, Paul Scherrer Institut,
Villigen PSI, Switzerland
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Short summary
Chemical reactions in sea salt embedded in coastal polar snow impact the composition and air quality of the atmosphere. Here, we investigate the phase changes of sodium chloride. This is of importance as chemical reactions proceed faster in liquid solutions compared to in solid salt and the precise precipitation temperature of sodium chloride is still under debate. We focus on the upper nanometres of sodium chloride–ice samples because of their role as a reactive interface in the environment.
Chemical reactions in sea salt embedded in coastal polar snow impact the composition and air...
