Articles | Volume 19, issue 11
Atmos. Chem. Phys., 19, 7649–7665, 2019
https://doi.org/10.5194/acp-19-7649-2019
Atmos. Chem. Phys., 19, 7649–7665, 2019
https://doi.org/10.5194/acp-19-7649-2019
Research article
07 Jun 2019
Research article | 07 Jun 2019

The formation of nitro-aromatic compounds under high NOx and anthropogenic VOC conditions in urban Beijing, China

Yujue Wang et al.

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Latest update: 06 Dec 2022
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Short summary
Nitro-aromatic compounds (NACs), an important fraction in brown carbon, were comprehensively characterized in Beijing. The oxidation of anthropogenic VOCs represented more dominant sources of NACs than biomass burning. A transition of NO2 from low- to high-NOx regimes was observed. The contribution of aqueous-phase pathways to NAC formation increased at elevated RH. This work highlights secondary formation of NACs and influence factors in high NOx–anthropogenic VOC-dominated urban atmospheres.
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