Affiliation:
1. Division of Chemistry, National Research Council of Canada, Ottawa, Ontario, Canada K1A OR9
Abstract
A reaction system and a high temperature cell have been developed for the infrared spectroscopy of surface species during catalytic reaction. The reaction system was a closed circulation apparatus operated by a bellows pump, and the temperature of catalyst in the cell could be varied over a wide range from —195 to 700°C. Thus, formate ion was detected on an alumina catalyst during the water gas shift reaction between 300 and 500°C. Also, the combination of the infrared spectroscopy with the temperature-programed desorption of adsorbed species made it possible to measure the amount of the formate ion on the catalyst.
Subject
Spectroscopy,Instrumentation
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