Articles | Volume 20, issue 6
https://doi.org/10.5194/acp-20-3697-2020
https://doi.org/10.5194/acp-20-3697-2020
Research article
 | 
27 Mar 2020
Research article |  | 27 Mar 2020

Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry

Philipp G. Eger, Jan Schuladen, Nicolas Sobanski, Horst Fischer, Einar Karu, Jonathan Williams, Matthieu Riva, Qiaozhi Zha, Mikael Ehn, Lauriane L. J. Quéléver, Simon Schallhart, Jos Lelieveld, and John N. Crowley

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Cited articles

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Short summary
Pyruvic acid, CH3C(O)C(O)OH, is an organic acid of biogenic origin that plays a crucial role in plant metabolism, is present in tropospheric air in both gas-phase and aerosol-phase, and is implicated in the formation of secondary organic aerosols. From the first gas-phase measurements of pyruvic acid in the Finnish boreal forest in September 2016 we derive its source strength and discuss potential sources and sinks, with a focus on the relevance of gas-phase pyruvic acid for radical chemistry.
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