Abstract

Measurements of β-PdHx stoichiometry by hydrogen TPD and of Pd dispersion by CO chemisorption has shown that in Pd−SiO2 catalysts the formation of β-PdHx is more and more hindered with the increase of Pd dispersion in the whole dispersion range. A linear relationship exists between β-PdHx stoichiometry and temperature of its hydrogen TPD peak.

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