Articles | Volume 20, issue 3
Atmos. Chem. Phys., 20, 1469–1481, 2020
https://doi.org/10.5194/acp-20-1469-2020
Atmos. Chem. Phys., 20, 1469–1481, 2020
https://doi.org/10.5194/acp-20-1469-2020
Research article
06 Feb 2020
Research article | 06 Feb 2020

High secondary formation of nitrogen-containing organics (NOCs) and its possible link to oxidized organics and ammonium

Guohua Zhang et al.

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Latest update: 29 Nov 2022
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Short summary
Seasonal atmospheric processing of NOCs was investigated using single-particle mass spectrometry in urban Guangzhou. The abundance of NOCs was found to be strongly enhanced by internal mixing with photochemically produced secondary oxidized organics. A multiple linear regression analysis and a positive matrix factorization analysis were performed to predict the relative abundance of NOCs. More than 70 % of observed NOCs could be well explained by oxidized organics and ammonium.
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