Articles | Volume 23, issue 7
https://doi.org/10.5194/acp-23-4463-2023
https://doi.org/10.5194/acp-23-4463-2023
Technical note
 | 
14 Apr 2023
Technical note |  | 14 Apr 2023

Technical note: Sublimation of frozen CsCl solutions in an environmental scanning electron microscope (ESEM) – determining the number and size of salt particles relevant to sea salt aerosols

Lubica Vetráková, Vilém Neděla, Kamila Závacká, Xin Yang, and Dominik Heger

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Latest update: 23 Apr 2024
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Short summary
Salt aerosols are important to polar atmospheric chemistry and global climate. Therefore, we utilized a unique electron microscope to identify the most suitable conditions for formation of the small salt (CsCl) particles, proxies of the aerosols, from sublimating salty snow. Very low sublimation temperature and low salt concentration are needed for formation of such particles. These observations may help us to better understand polar spring ozone depletion and bromine explosion events.
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