Articles | Volume 15, issue 23
Research article
06 Dec 2022
Research article |  | 06 Dec 2022

Direct measurement of N2O5 heterogeneous uptake coefficients on ambient aerosols via an aerosol flow tube system: design, characterization and performance

Xiaorui Chen, Haichao Wang, Tianyu Zhai, Chunmeng Li, and Keding Lu


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Short summary
N2O5 is an important reservoir of atmospheric nitrogen, on whose interface reaction ambient particles can largely influence the fate of nitrogen oxides and air quality. In this study, we develop an approach to enable the reactions of N2O5 on ambient particles directly in a tube reactor, deriving the reaction rates with high accuracy by means of a chemistry model. Its successful application helps complement the data scarcity and to fill the knowledge gap between laboratory and field results.