Articles | Volume 19, issue 16
Atmos. Chem. Phys., 19, 10643–10657, 2019
https://doi.org/10.5194/acp-19-10643-2019
Atmos. Chem. Phys., 19, 10643–10657, 2019
https://doi.org/10.5194/acp-19-10643-2019
Research article
23 Aug 2019
Research article | 23 Aug 2019

Kinetics of the OH + NO2 reaction: rate coefficients (217–333 K, 16–1200 mbar) and fall-off parameters for N2 and O2 bath gases

Damien Amedro et al.

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Cited articles

Anastasi, C. and Smith, I. W. M.: Rate measurements of reactions of OH by resonance absorption. Part 5. – Rate constants for OH +NO2 (+M) HNO3 (+M) over a wide range of temperature and pressure, J. Chem. Soc., Faraday T. 2, 72, 1459–1468, 1976. 
Anderson, J. G. and Kaufman, F.: Kinetics of reaction OH +NO2+MHNO3+M, Chem. Phys. Lett., 16, 375–379, 1972. 
Anderson, J. G., Margitan, J. J., and Kaufman, F.: Gas-phase recombination of OH with NO and NO2, J. Chem. Phys., 60, 3310–3317, 1974. 
Anderson, L. G.: Absolute rate constants for the reaction of OH with NO2 in N2 and He from 225 to 389 K, J. Phys. Chem., 84, 2152–2155, 1980. 
Atkinson, R., Baulch, D. L., Cox, R. A., Crowley, J. N., Hampson, R. F., Hynes, R. G., Jenkin, M. E., Rossi, M. J., and Troe, J.: Evaluated kinetic and photochemical data for atmospheric chemistry: Volume I – gas phase reactions of Ox, HOx, NOx and SOx species, Atmos. Chem. Phys., 4, 1461–1738, https://doi.org/10.5194/acp-4-1461-2004, 2004. 
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The reaction between the OH radical and nitrogen dioxide plays a critical role in controlling abundances of HOx and NOx from the boundary layer to the stratosphere. Uncertainties associated with the rate coefficient for this reaction lead to uncertainty in model predictions of the oxidizing capacity of the atmosphere and photochemical ozone production. We present accurate measurements of the rate coefficient over a range of temperatures and pressures.
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