Thermal Energy Ion—Neutral Reaction Rates. I. Some Reactions of Helium Ions
- 1 June 1966
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 44 (11) , 4087-4094
- https://doi.org/10.1063/1.1726587
Abstract
A flowing, steady‐state afterglow system has been utilized to measure room‐temperature ion—neutral reaction rates. A description of the apparatus and technique is given. Measured rate constants for He+ reactions with O2, N2, CO, NO, and CO2 are reported, as well as upper limits for the reactions of He+ with H2, Ne, and Ar, and an estimate for the reaction of He2+ with Ne and N2. The reactions of He+ with O2, N2, CO, NO, and CO2 are all rapid, the rate constants all being ≈10−9 cm3 sec−1, implying essentially a reaction per collision.Keywords
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