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Pretreatment of Platinum/Tin Oxide-CatalystAddition of CO to He pretreatment doubles catalytic activity. In sealed, high-energy, pulsed CO2 laser, CO and O2 form as decomposition products of CO2 in laser discharge zone. Products must be recombined, because oxygen concentration of more than few tenths of percent causes rapid deterioration of power, ending in unstable operation. Promising low-temperature catalyst for combining CO and O2 is platinum on tin oxide. New development increases activity of catalyst so less needed for recombination process.
Document ID
19870000276
Document Type
Other - NASA Tech Brief
Authors
Hess, Robert V. (NASA Langley Research Center, Hampton, Va.)
Paulin, Patricia A. (NASA Langley Research Center, Hampton, Va.)
Miller, Irvin M. (NASA Langley Research Center, Hampton, Va.)
Schryer, David R. (NASA Langley Research Center, Hampton, Va.)
Sidney, Barry D. (NASA Langley Research Center, Hampton, Va.)
Wood, George M. (NASA Langley Research Center, Hampton, Va.)
Upchurch, Billy T. (Chemicon)
Brown, Kenneth G. (Old Dominion University)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 6
ISSN: 0145-319X
Subject Category
MATERIALS
Report/Patent Number
LAR-13540
LAR-13541
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.