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6200526 
Journal Article 
Ion-molecule reactions in methane-oxygen and acetylene-oxygen systems 
Franklin, JL; Munson, MSB 
1965 
0 
Symposium (International) on Combustion
ISSN: 0082-0784 
Elsevier 
10 
1 
561-568 
Studies of ion-molecule reactions in methane-oxygen and acetylene-oxygen mixtures show comparatively few and relatively slow reactions between the hydrocarbons and oxygen. In methane-oxygen mixtures the principal cross product ions are CH3O2+, CH2O+, CHO+, and CH3O+, the first two being formed from O2+ and the last two from CH4+. In addition, CH4+ reacts with O2 to form CH3+. In acetylene-oxygen mixtures C2H2O+, CHO+, and C2HO+ are the only cross product ions formed in significant amounts. The first two are formed from O2+, and the latter probably comes principally from C2H+. CH2+ and C3H3+ are enhanced by oxygen, but the reactions are not well established.