Articles | Volume 21, issue 14
Atmos. Chem. Phys., 21, 11437–11452, 2021
https://doi.org/10.5194/acp-21-11437-2021

Special issue: Pan-Eurasian Experiment (PEEX) – Part II

Atmos. Chem. Phys., 21, 11437–11452, 2021
https://doi.org/10.5194/acp-21-11437-2021
Research article
29 Jul 2021
Research article | 29 Jul 2021

Atmospheric gaseous hydrochloric and hydrobromic acid in urban Beijing, China: detection, source identification and potential atmospheric impacts

Xiaolong Fan et al.

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Latest update: 05 Dec 2022
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Short summary
We observed significant concentrations of gaseous HBr and HCl throughout the winter and springtime in urban Beijing, China. Our results indicate that gaseous HCl and HBr are most likely originated from anthropogenic emissions such as burning activities, and the gas–aerosol partitioning may play a crucial role in contributing to the gaseous HCl and HBr. These observations suggest that there is an important recycling pathway of halogen species in inland megacities.
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