Cross-Desorption of Differently Adsorbed Carbon-Monoxide on Pd Alpha-Al2o3 by Means of Acetylene

• Cross-desorption of carbon monoxide on Pd/alpha-Al2O3 by means of acetylene was studied spectrophotometrically. Both linearly bonded and bridge-bonded carbon monoxide were found to cross-desorb rapidly, and the linearly bonded form was most easily cross-desorbed. It could not be shown whether the cross-desorption of bridge-bonded carbon monoxide proceeded via the linearly bonded form or not. The role played by surface carbonate or some adsorbed species related to carbon monoxide giving absorption bands at 1630, 1510 and 1420 cm-1 is not fully understood at present.

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NATURVETENSKAP  -- Kemi (hsv//swe)

NATURAL SCIENCES  -- Chemical Sciences (hsv//eng)

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