Abstract

The oxidation of BrCN has been studied in shock waves over the temperature range 1680–2550K. The kinetics of the oxidation was monitored by following it emission from NO at the wavelength of 5.34 μm. A computer simulation study was performed to determine the important elementary reactions. It was found from this computer study that the NO formation from BrCN oxidation is mainly governed by 9 elementary reactions, and the main reaction in producing NO is NCO+O=NO+CO. The rate constant of this reaction was determined as k 5=10 13.5±0.4 cm 3 mol −1 s −1. The rate constants of Br+BrCN=Br 2+CN, were also determined as k 2=10 15.0±0.2 exp[−(157.4±8.7) kj/ RT] cm 3 mol −1 s −1, k 6=10 13.8±0.4 exp[−(159 kj/ RT] cm 3 mol −1 s −1.

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