NaHCO3 - A source of Na atoms for sudden sodium layers?

Details NaHCO3 - A source of Na atoms for sudden sodium layers? NaHCO3 - A source of Na atoms for sudden sodium layers?

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17..147v&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 17, Feb. 1990, p. 147-149.

Physics

25

Atmospheric Chemistry, Atmospheric Composition, E Region, Sodium, Sodium Carbonates, Sporadic E Layer, Ionospheric Composition, Mesosphere, Nightglow, Reaction Kinetics, Trace Elements

Scientific paper

Consideration is given to the case of sudden sodium layers, reported in the lower E region of the ionosphere. It is suggested that dissociative electron attachment to NaHCO3, NaHCO3 + e yields Na + HCO3(-), can explain some of the observations, in particular at altitudes above 95 km. This process would produce Na efficiently only in the case where a plasma of high density is injected into the sodium layer. The rate constant for the reaction is estimated to be of the order of 10 to the -8th cu cm/s by analogy with similar species and by derivation from the observed geophysical parameters.

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