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
Laboratoire de Physicochimie de l'Atmosphère, Université du
Littoral Côté d'Opale, 59140 Dunkirk, France
now at: Department of Civil and Environmental Engineering,
Princeton University, Princeton, NJ 08544, USA
Mathieu Cazaunau
Laboratoire Interuniversitaire des Systèmes Atmosphériques,
CNRS UMR7583, Universités Paris-Est Créteil and Université de Paris Diderot, 94010 Créteil, France
Laboratoire Interuniversitaire des Systèmes Atmosphériques,
CNRS UMR7583, Universités Paris-Est Créteil and Université de Paris Diderot, 94010 Créteil, France
Vincent Michoud
Laboratoire Interuniversitaire des Systèmes Atmosphériques,
CNRS UMR7583, Universités Paris-Est Créteil and Université de Paris Diderot, 94010 Créteil, France
Edouard Pangui
Laboratoire Interuniversitaire des Systèmes Atmosphériques,
CNRS UMR7583, Universités Paris-Est Créteil and Université de Paris Diderot, 94010 Créteil, France
Laboratoire Interuniversitaire des Systèmes Atmosphériques,
CNRS UMR7583, Universités Paris-Est Créteil and Université de Paris Diderot, 94010 Créteil, France
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.
HONO and NO2 play a crucial role in the atmospheric oxidation capacity that affects the regional...
