Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 22
Articles | Volume 18, issue 22
https://doi.org/10.5194/amt-18-6645-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-6645-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 22
Research article
 | 
18 Nov 2025
Research article |  | 18 Nov 2025

Laboratory characterization of furan, 2(3H)-furanone, 2-furaldehyde, 2,5-dimethylfuran, and maleic anhydride measured by PTR-ToF-MS

Wade Permar, Mercedes Tucker, and Lu Hu

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Short summary
Furanoids are volatile organic compounds that act as major OH sinks and ozone precursors in the atmosphere. We evaluate measurements of five furanoids under laboratory conditions. Sensitivities were stable across humidity and electric field changes, though some compounds fragmented or formed hydrated ions. Long-term gas standard concentrations were stable. Overall, measurements are accurate but affected by unknown ions and fragments.
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