Articles | Volume 14, issue 8
https://doi.org/10.5194/amt-14-5701-2021
https://doi.org/10.5194/amt-14-5701-2021
Research article
 | 
20 Aug 2021
Research article |  | 20 Aug 2021

Intercomparison of IBBCEAS, NitroMAC and FTIR analyses for HONO, NO2 and CH2O measurements during the reaction of NO2 with H2O vapour in the simulation chamber CESAM

Hongming Yi, Mathieu Cazaunau, Aline Gratien, Vincent Michoud, Edouard Pangui, Jean-Francois Doussin, and Weidong Chen

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Cited articles

Afif, C., Jambert, C., Michoud, V., Colomb, A., Eyglunent, G., Borbon, A., Daële, V., Doussin, J. F., and Perros, P.: NitroMAC: An instrument for the measurement of HONO and intercomparison with a long-path absorption photometer, J. Environ. Sci. (China), 40, 105–113, https://doi.org/10.1016/j.jes.2015.10.024, 2016. 
Alicke, B., Platt, U., and Stutz, J.: Impact of nitrous acid photolysis on the total hydroxyl radical budget during the Limitation of Oxidant Production / Pianura Padana Produzione di Ozono study in Milan, J. Geophys. Res., 107, 8196, https://doi.org/10.1029/2000JD000075, 2002. 
Barney, W. S., Wingen, L. M., Lakin, M. J., Brauers, T., Stutz, J., and Finlayson-Pitts, B. J.: Infrared absorption cross-section measurements for nitrous acid (HONO) at room temperature, J. Phys. Chem. A, 104, 1692–1699, https://doi.org/10.1021/jp9930503, 2000. 
Barney, W. S., Wingen, L. M., Lakin, M. J., Brauers, T., Stutz, J., and Finlayson-Pitts, B. J.: Infrared absorption cross-section measurements for nitrous acid (HONO) at room temperature, J. Phys. Chem. A, 105, 4166–4166, https://doi.org/10.1021/jp010734d, 2001. 
Brust, A. S., Becker, K. H., Kleffmann, J., and Wiesen, P.: UV absorption cross sections of nitrous acid, Atmos Environ., 34, 13–19, https://doi.org/10.1016/S1352-2310(99)00322-2, 2000. 
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Short summary
HONO and NO2 play a crucial role in the atmospheric oxidation capacity that affects the regional air quality and global climate. Accurate measurements of HONO are challenging due to the drawback of existing detection methods. Calibration-free high-sensitivity direct, simultaneous measurements of NO2, HONO and CH2O with UV-IBBCEAS provide accurate and fast quantitative analysis of their concentration variation within their lifetime by intercomparison with NOx, FTIR and NitroMAC sensors.
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