Articles | Volume 18, issue 16
Atmos. Chem. Phys., 18, 11581–11597, 2018

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 18, 11581–11597, 2018

Research article 16 Aug 2018

Research article | 16 Aug 2018

Production of N2O5 and ClNO2 in summer in urban Beijing, China

Wei Zhou et al.


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AR by Yele Sun on behalf of the Authors (18 Jul 2018)  Author's response    Manuscript
ED: Publish subject to technical corrections (26 Jul 2018) by Yongjie Li
Short summary
We present measurements of gas-phase N2O5 and ClNO2 by ToF-CIMS during summer in urban Beijing as part of the APHH campaign. High reactivity of N2O5 indicative of active nocturnal chemistry was observed. The lifetime of N2O5 as a function of aerosol surface area and relative humidity was characterized, and N2O5 uptake coefficients were estimated. We also found that the N2O5 loss in this study is mainly attributed to its indirect loss via reactions of NO3 with VOCs and NO.
Final-revised paper