Download or read book Flash Desorption of Hydrogen and Ethylene and Equilibration of Hydrogen and Deuterium on Platinum Single Crystal Surfaces written by Kun-Er C. Lu and published by . This book was released on 1974 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Power Reactor Instrumentation Systems Handbook written by Joseph M. Harrer and published by . This book was released on 1973 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ethylene Decomposition and Hydrogenation on Platinum Single Crystal Surfaces written by Arthur Leonard Backman and published by . This book was released on 1990 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: The adsorption and decomposition of ethylene on the Pt(210) crystal surface is examined using TPD and EELS. At 100 K, ethylene adsorbs molecularly to form a type 2 $pi$-bound complex. Upon heating to 250 K, some of the $pi$-bound complex desorbs and also reacts to form ethane. However, most of the $pi$-bound species is stable to room temperature. Further heating results in the decomposition of the $pi$-bound species to form a mixture of ethylylidyne, methyl groups, surface carbon and hydrogen. Ethylylidyne decomposes to form a mixture of ethynyl, methylidyne, hydrogen and adsorbed surface carbon while the methyl groups decompose to form methylene and methylidyne. Further decomposition of these intermediates results in hydrogen liberation as well as more surface carbon and a C$sb2$ species. At high ethylene exposures, a weakly $pi$-bonded species forms in addition to the $pi$-bonded complex at low temperatures. The weakly $pi$-bound species can also be formed at low temperatures by pre-exposing the Pt(210) crystal to hydrogen before ethylene exposure. This species is less stable than the $pi$-bound complex since around 195 K, it either desorbs or reacts to form ethane. A new high pressure/low pressure reaction system is developed to investigate ethylene hydrogenation on the Pt(111) and (5x20)Pt(100) crystal surfaces around atmospheric pressure. Two limiting reaction rates are observed for reactions initiated over an atomically clean surface. Both XPS and EELS results indicate a build up of a carbonaceous overlayer as a function of reaction time suggesting that the decrease in rate results from the increase of the carbonaceous overlayer. Both limiting reaction rates are larger for reactions over the Pt(111) than on the (5x20)Pt(100) implying that higher concentrations of the adsorbed overlayer are present on the (5x20)Pt(100) surface. On Pt(111), ethylidyne and an ethyl species are identified using EELS following atmospheric pressure hydrogenation experiments. Post reaction treatments with pure hydrogen indicate that the ethyl species can be reacted off the surface whereas ethylidyne is stable. In addition, carbon monoxide is found to adsorb only after the hydrogen treatment. These results suggest that the reaction occurs on the platinum surface and not on top of the ethylidyne layer.

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1975 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Surface Science and Catalytic Studies of Hydrocarbon Skeletal Rearrangements written by David John Godbey and published by . This book was released on 1987 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Electrochemical Study of Hydrogen Adsorption on Platinum Single crystal Surfaces Using Low Energy Electron Diffraction and Auger Electron Spectroscopy written by Marino Yuk Cheong Woo and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Structural Sensitivity Studies of Ethylene Hydrogenation on Platinum and Rhodium Surfaces written by Michael Andrew Quinlan and published by . This book was released on 1996 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book INIS Atomindex written by and published by . This book was released on 1975 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1984 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Index to American Doctoral Dissertations written by and published by . This book was released on 1974 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index Chemistry P Z written by and published by . This book was released on 1984 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Hydrogen deuterium Equilibration Reaction on Platinum rhodium Alloys written by J. K. Davis and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index written by University Microfilms International and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1984 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index Chemistry E O written by and published by . This book was released on 1984 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Hydrogen deuterium Equilibration Reaction on Platinum rhodium Alloy Wires written by John Keith Davies and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book National Union Catalog written by and published by . This book was released on 1979 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt: