Articles | Volume 15, issue 19
https://doi.org/10.5194/acp-15-11341-2015
https://doi.org/10.5194/acp-15-11341-2015
Research article
 | 
12 Oct 2015
Research article |  | 12 Oct 2015

Sea salt aerosols as a reactive surface for inorganic and organic acidic gases in the Arctic troposphere

J. W. Chi, W. J. Li, D. Z. Zhang, J. C. Zhang, Y. T. Lin, X. J. Shen, J. Y. Sun, J. M. Chen, X. Y. Zhang, Y. M. Zhang, and W. X. Wang

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Sea salt aerosols (SSA) are dominant particles in the Arctic atmosphere. Our result suggests that the hydrophilic MgCl2 coating in fresh SSA likely intrigued the heterogeneous reactions at the beginning of SSA and acidic gases in the Arctic. The content of organic matter increased in the aged SSA compared with the fresh SSA, which suggests organic acids (beside inorganic acids) participate in the ageing of SSA in the Arctic.
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