Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 1389–1406, 2021
https://doi.org/10.5194/acp-21-1389-2021

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 21, 1389–1406, 2021
https://doi.org/10.5194/acp-21-1389-2021

Research article 02 Feb 2021

Research article | 02 Feb 2021

Ambient nitro-aromatic compounds – biomass burning versus secondary formation in rural China

Christian Mark Garcia Salvador et al.

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High-frequency online measurement of gas- and particle-phase nitro-aromatic compounds (NACs) at a rural site in China, heavily influenced by biomass burning events, enabled the analysis of the production pathway of NACs, including an explanation of strong persistence in the daytime. The contribution of secondary processes was significant, even during the dominant wintertime influence of primary emissions, suggesting the important role of regional secondary chemistry, i.e. photochemical smog.
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