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Effects of low concentrations of O2 and CO on the ion-clustering reactions in the lower ionosphere of MarsIt is demonstrated that under conditions which approximate those of the Martian ionosphere traces of CO and O2 can be effectively incorporated in ion clusters via ion-molecule reaction schemes initiated by the CO2(+) ion. For example, when 0.3% CO is added to CO2, (CO)2(+), and /(CO)2CO2/(+) appear as the major cations (584 A radiation, 300 K). In mixtures containing O2 in addition to CO, (CO2,O2+) and /(CO2)2O2/(+) are important species. A recently proposed mechanism to account for the low abundance of CO and O2 in the Martian atmosphere is discussed in the light of these observations.
Document ID
19740029725
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sieck, L. W.
Gorden, R., Jr.
Ausloos, P.
(National Bureau of Standards, Physical Chemistry Div., Washington D.C., United States)
Date Acquired
August 7, 2013
Publication Date
November 1, 1973
Publication Information
Publication: Planetary and Space Science
Volume: 21
Subject Category
Space Sciences
Accession Number
74A12475
Distribution Limits
Public
Copyright
Other

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