Articles | Volume 19, issue 2
https://doi.org/10.5194/acp-19-1357-2019
https://doi.org/10.5194/acp-19-1357-2019
Research article
 | 
01 Feb 2019
Research article |  | 01 Feb 2019

Possible heterogeneous chemistry of hydroxymethanesulfonate (HMS) in northern China winter haze

Shaojie Song, Meng Gao, Weiqi Xu, Yele Sun, Douglas R. Worsnop, John T. Jayne, Yuzhong Zhang, Lei Zhu, Mei Li, Zhen Zhou, Chunlei Cheng, Yibing Lv, Ying Wang, Wei Peng, Xiaobin Xu, Nan Lin, Yuxuan Wang, Shuxiao Wang, J. William Munger, Daniel J. Jacob, and Michael B. McElroy

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Latest update: 14 Dec 2024
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Short summary
Chemistry responsible for sulfate production in northern China winter haze remains mysterious. We propose a potentially key pathway through the reaction of formaldehyde and sulfur dioxide that has not been accounted for in previous studies. The special atmospheric conditions favor the formation and existence of their complex, hydroxymethanesulfonate (HMS).
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