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Int. J. Mol. Sci. 2001, 2(5), 221-229; doi:10.3390/i2050221

The H2/O2 Reaction on a Palladium Model Catalyst Studied with Laser-Induced Fluorescence and Microcalorimetry

Department of Experimental Physics, School of Physics and Engineering Physics Göteborg University and Chalmers University of Technology SE-412 96 Göteborg, Sweden
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Received: 28 September 2001 / Accepted: 6 November 2001 / Published: 13 November 2001
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Abstract

The H2/O2 reaction on a polycrystalline palladium foil has been studied. The experimental methods used were Laser-Induced Fluorescence (LIF) and microcalorimetry. The reaction was also simulated with the Chemkin software package. The water production maximum occurs at 40% H2 and the OH desorption has its maximum at 10% H2, at a total pressure of 100 mTorr (13 Pa) and a catalyst temperature of 1300 K. It is concluded, in agreement with the simulations, that the main water-forming reaction at these experimental conditions is OH+H→H2O. From the water production maximum the quotient of the initial sticking coefficient for hydrogen and oxygen (SH2(0)/SO2(0)) is calculated to be 0.75(±0.1). View Full-Text
Keywords: Heterogeneous catalysis; palladium; water formation; Laser-Induced Fluorescence; sticking coefficient Heterogeneous catalysis; palladium; water formation; Laser-Induced Fluorescence; sticking coefficient
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Johansson, Å.; Försth, M.; Rosén, A. The H2/O2 Reaction on a Palladium Model Catalyst Studied with Laser-Induced Fluorescence and Microcalorimetry. Int. J. Mol. Sci. 2001, 2, 221-229.

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