Abstract
MAINLY to assist in understanding the reactions of carbons with oxygen, there have been a number of studies of the kinetics of the reactions of solid fuels with nitrous oxide1–3; but we are unaware of any comparable work with nitrogen dioxide. This compound, which has been shown to influence the decomposition and smoke-producing tendencies of coals4,5, is of special interest as an oxidant in view of the comparatively easy thermal dissociation probably producing oxygen atoms in the primary stage: 
It is also well known as a sensitizer of several gas-phase combustion reactions6, and it is conceivable that, when introduced into the carbon/oxygen system, it could act as a catalyst and/or react separately with carbon.
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ARTHUR, J., FERGUSON, H. & LAUBER, K. Comparative Rates of the Slow Combustion of Coke in Oxygen and Nitrogen Dioxide. Nature 178, 206–207 (1956). https://doi.org/10.1038/178206a0
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DOI: https://doi.org/10.1038/178206a0
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