Erler, K.; Field, D.; Zellner, R.; Smith, I.w.m.:

The recombination reaction between hydroxyl radicals and nitrogen dioxide. OH + NO2 + M (= helium, carbon dioxide) in the temperature range 213-300 K.

In: Berichte der Bunsen-Gesellschaft, Jg. 81 (1977) ; Nr. 1, S. 22-26
ISSN: 0940-483X
Zeitschriftenaufsatz / Fach: Chemie
Abstract:
Rate consts. for the reaction between OH radicals and NO2 were detd. at 213-300 K by using a discharge flow system with resonance fluorescence detection of OH. The 3rd order rate const. k at 300 K was (1.0 +- 0.4)10-30 and (4.0 +- 0.5)10-30 cm6 s-1 for He and CO2, resp. The temp. dependence of the low pressure limiting rate const. with He as a 3rd body may be expressed in the form kHe(T) = (1.5 +- 0.4)10-23T-(2.9+-0.3)cm6 s-1. Rate consts. for the quenching of the A2S+ state of the OH radical by N2 and CO2 are also reported.

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