Carbon-13 kinetic isotope effects in the catalytic oxidation of CO over Ag

Article Abstract:

A study was conducted to analyze carbon-13 kinetic isotope effects associated with the catalytic oxidation of carbon monoxide over a silver catalyst. The carbon monoxide and oxygen used in the study supported natural isotopic composition. A mercury U-tube manometer was utilized to determine the total pressure of reaction mixture as a function of the reaction time. Results indicated that a carbon monoxide reacts with a single adsorbed oxygen atom in the rate determining step.

Catalysts, Carbon monoxide, Silver

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Kinetic isotope effects in the N2O decomposition over NiO

Article Abstract:

The (super 15)N and (super 18)O kinetic isotope effect (KIEs) in the catalytic decomposition of nitrous oxide on NiO powder is determined in the temperature rage of 625-825 K. According to Bigeleisen's formalism, a bent, product-like NNO transition state and a fork-type NNOO transition state best fit the experimental results.

Nitrogen, Nitrous Oxide, Chemical compounds

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N2 desorption in the decomposition of adsorbed N2O on Rh(110)

Article Abstract:

The decomposition of N2O(a) on Rh(110) at 95-200 K was studied through the analysis of the angular distribution of desorbing N2 by means of angle-resolved thermal desorption. During the heating process N2O(a) was highly decomposed, emitting N2(g) and releasing O(a).

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Nitrogen Oxide Gases, Rhodium, Nitrogen oxides, Thermal properties, Thermal desorption, Nitrogen oxide

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