Articles | Volume 19, issue 2
Atmos. Chem. Phys., 19, 1343–1356, 2019
https://doi.org/10.5194/acp-19-1343-2019
Atmos. Chem. Phys., 19, 1343–1356, 2019
https://doi.org/10.5194/acp-19-1343-2019

Research article 01 Feb 2019

Research article | 01 Feb 2019

Nitrogen-containing secondary organic aerosol formation by acrolein reaction with ammonia/ammonium

Zhijian Li et al.

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Latest update: 09 May 2021
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Short summary
In this work, we found that acrolein, the smallest α,β-unsaturated aldehyde, has the potential to form light-absorbing heterocyclic secondary organic aerosol. In the gaseous phase, acrolein can react with gaseous ammonia, forming 3-picoline. In the liquid phase, the dissolved acrolein can react with ammonium to form higher molecular-weight pyridinium compounds. All the pyridinium compounds can increase the light absorptivity of aerosol particles.
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