Articles | Volume 17, issue 2
https://doi.org/10.5194/amt-17-801-2024
https://doi.org/10.5194/amt-17-801-2024
Research article
 | 
31 Jan 2024
Research article |  | 31 Jan 2024

Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds

Matthew M. Coggon, Chelsea E. Stockwell, Megan S. Claflin, Eva Y. Pfannerstill, Lu Xu, Jessica B. Gilman, Julia Marcantonio, Cong Cao, Kelvin Bates, Georgios I. Gkatzelis, Aaron Lamplugh, Erin F. Katz, Caleb Arata, Eric C. Apel, Rebecca S. Hornbrook, Felix Piel, Francesca Majluf, Donald R. Blake, Armin Wisthaler, Manjula Canagaratna, Brian M. Lerner, Allen H. Goldstein, John E. Mak, and Carsten Warneke

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Cited articles

Angevine, W. M., Brioude, J., McKeen, S., Holloway, J. S., Lerner, B. M., Goldstein, A. H., Guha, A., Andrews, A., Nowak, J. B., Evan, S., Fischer, M. L., Gilman, J. B., and Bon, D.: Pollutant transport among California regions, J. Geophys. Res.-Atmos., 118, 6750–6763, https://doi.org/10.1002/jgrd.50490, 2013. 
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Arnold, S. T., Viggiano, A. A., and Morris, R. A.: Rate Constants and Product Branching Fractions for the Reactions of H3O+ and NO+ with C2–C12 Alkanes, J. Phys. Chem. A, 102, 8881–8887, https://doi.org/10.1021/jp9815457, 1998. 
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Short summary
Mass spectrometry is a tool commonly used to measure air pollutants. This study evaluates measurement artifacts produced in the proton-transfer-reaction mass spectrometer. We provide methods to correct these biases and better measure compounds that degrade air quality.
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