Articles | Volume 21, issue 5
https://doi.org/10.5194/acp-21-3763-2021
https://doi.org/10.5194/acp-21-3763-2021
Research article
 | 
12 Mar 2021
Research article |  | 12 Mar 2021

Identification and source attribution of organic compounds in ultrafine particles near Frankfurt International Airport

Florian Ungeheuer, Dominik van Pinxteren, and Alexander L. Vogel

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Latest update: 19 Apr 2024
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Short summary
We analysed the chemical composition of ultrafine particles from 10–56 nm near Frankfurt Airport based on cascade impactor samples. We used an offline non-target screening to determine size-resolved molecular fingerprints. Unambiguous attribution of two homologous ester series to jet engine oils enables a new strategy of source attribution and explains the majority of the detected compounds. In addition, we identified additives of jet oils and a detrimental thermal transformation product.
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