Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 7
Articles | Volume 26, issue 7
https://doi.org/10.5194/acp-26-4711-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-4711-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 7
Research article
 | 
09 Apr 2026
Research article |  | 09 Apr 2026

Rapid formation of secondary aerosol precursors from the autoxidation of C5–C8 n-aldehydes

Shawon Barua, Avinash Kumar, Prasenjit Seal, Siddharth Iyer, and Matti Rissanen

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Short summary
This work illustrates how long chain linear aldehydes have the potential to undergo atmospheric autoxidation and lead to prompt formation of condensable material which subsequently contributes to aerosol formation, deteriorating the air quality of urban atmospheres. We performed laboratory experiments using state-of-the-art mass spectrometry technique combined with a flow reactor under atmospheric conditions to resolve the autoxidation mechanism of n-aldehydes initiated by a common oxidant.
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