Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14769–14785, 2020
https://doi.org/10.5194/acp-20-14769-2020
Atmos. Chem. Phys., 20, 14769–14785, 2020
https://doi.org/10.5194/acp-20-14769-2020

Measurement report 02 Dec 2020

Measurement report | 02 Dec 2020

Measurement report: Important contributions of oxygenated compounds to emissions and chemistry of volatile organic compounds in urban air

Caihong Wu et al.

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Latest update: 14 May 2021
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Short summary
Based on measurements from an online mass spectrometer, we quantify volatile organic compound (VOC) concentrations from numerous ions of the mass spectrometer, using information from laboratory-obtained calibration results. We find that most VOC concentrations are from oxygenated VOCs (OVOCs). We further show that these OVOCs also contribute significantly to OH reactivity. Our results suggest the important role of OVOCs in VOC emissions and chemistry in urban air.
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