## Abstract The reaction of methyl radicals with atomic and molecular oxygen was studied with a photoionization mass spectrometer. The methyl radicals were generated by reacting oxygen atoms with ethylene in a fast‐flow tube reactor. The rate constant for the reaction of methyl radicals with oxygen
The reaction of o-phenylenediamine and some aromatic amines with superoxide anion radical and molecular oxygen
✍ Scribed by É. Balogh-Hergovich; G. Speier; É. Winkelmann
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- French
- Weight
- 120 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
The superoxide anion has been suggested as a probably intermediate in several oxidation processes.
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The kinetics and mechanism of the gaseous reaction of vinyl radicals with molecular oxygen have been studied at 296 K. The products formed are HCO and H2C0. The rate constant is 1.0 X 10-r' cm3 molecule-' s-\* and is independent of pressure between 0.4 and 4 Torr.
Reactions of HCCCO and NCCO radicals with O 2 have been studied by a combination of pulsed laser photolysis and photoionization mass spectrometry. HCCCO was produced by 193-nm photolysis of methylpropiolate or 3-butyn-2-one, and NCCO was formed by 193-nm photolysis of acetylcyanide. The rate constan
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