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- W1974446633 abstract "Ionic collision processes which occur in weakly ionized mixtures of methane with nitrous oxide and carbon dioxide have been studied while the ions are contained in a potential well generated by an electron space charge. Where comparison is possible the results are in reasonable agreement with other recent measurements. In addition, the present study has allowed an assessment of the relative importance of electron transfer and hydrogen atom abstraction processes when either N2O+ or CO2+ react with methane. Within the experimental error, the combined rate coefficient for hydrogen atom abstraction and electron transfer reactions with methane is the same for both N2O+ and CO2+. However for N2O+ only one reactive collision in 15 results in electron transfer, while for CO2+ electron transfer occurs for one reactive collision in four. In mixtures of nitrous oxide with methane evidence has been obtained for the production of m/e, 30. Threshold measurements reveal that both N2O+ and CH4+ are possible precursor ions. In the same mixtures it has been found that CH3+ will react with N2O but that the observed rate coefficient rises from 0 to 0.53 × 10−9 cm3 molecule−1 sec−1 as the ionizing electron energy is increased from the threshold for CH3+ production to 20 eV. This observation is taken as evidence for a reaction pathway which involves only internally excited CH3+ ions." @default.
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- W1974446633 date "1974-10-01" @default.
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- W1974446633 title "Ionic collision processes in mixtures of methane with carbon dioxide and nitrous oxide" @default.
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- W1974446633 doi "https://doi.org/10.1016/0020-7381(74)80053-7" @default.
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