Articles | Volume 2, issue 2
https://doi.org/10.5194/ar-2-225-2024
https://doi.org/10.5194/ar-2-225-2024
Research article
 | 
18 Jul 2024
Research article |  | 18 Jul 2024

Direct detection of polycyclic aromatic hydrocarbons on a molecular composition level in summertime ambient aerosol via proton transfer reaction mass spectrometry

Tobias Reinecke, Markus Leiminger, Andreas Klinger, and Markus Müller

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Short summary
Condensed particulate polycyclic aromatic hydrocarbons (PAHs) are toxic compounds that may be detrimental to human health, even at low (sub-ng m-3) long-term exposure levels. The CHARON FUSION PTR-TOF 10k is capable of directly detecting PAHs on a chemical composition level at significantly lower mass concentrations. Herein, we report the time series of nine PAHs and identify three associated major sources and physicochemical processes for summertime aerosol in Innsbruck, Austria.
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