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A flash photolysis-resonance fluorescence study of the formation of O(D-1) in the photolysis of water and reaction of O(D-1) with H2, Ar and He.

Author
Klemm, R. B.
Published
Nov 1, 1974.
Physical Description
1 electronic document
Additional Creators
Stief, L. J. and Payne, W. A.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
The relative importance of two primary processes in the photolyis of water: (1) H2O + h (nu) yields H + OH, and (2) H2O + h (nu) yields H2 + OD-1 were determined in a direct manner by time resolved detection (via resonance fluorescence) of H and O formed in processes 1 and 2 respectively. The initially formed OD-1 was deactivated to ground state OP-3 prior to detection via resonance fluorescence. The relative quantum yields for processes 1 and 2 are 0.89 and 0.11 for the wavelength interval 105 to 145nm and = to or greater than 0.99, and = to or less than 0.01 for the wavelength interval 145 to 185nm. Rate constants at 300 K for the reactions OD-1 + H2, + Ar, and + He are presented.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19750002979.
Accession ID: 75N11051.
NASA-TM-X-70784.
X-691-74-320.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15742216