Articles | Volume 18, issue 13
Research article
10 Jul 2018
Research article |  | 10 Jul 2018

Efficient N2O5 uptake and NO3 oxidation in the outflow of urban Beijing

Haichao Wang, Keding Lu, Song Guo, Zhijun Wu, Dongjie Shang, Zhaofeng Tan, Yujue Wang, Michael Le Breton, Shengrong Lou, Mingjin Tang, Yusheng Wu, Wenfei Zhu, Jing Zheng, Limin Zeng, Mattias Hallquist, Min Hu, and Yuanhang Zhang


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Short summary
N2O5, ClNO2, and particulate nitrate were measured simultaneously in Beijing, China, in 2016. The elevated N2O5 uptake coefficient and ClNO2 yield were determined, which suggest fast N2O5 uptake in Beijing. We highlight that the NO3 oxidation in nocturnal VOC degradation is efficient, with fast formation of organic nitrates. More studies are needed to investigate NO3–N2O5 chemistry and its contribution to secondary organic aerosol formation.
Final-revised paper