Abstract
Surface O-functionalization of the carbon mesoporous support Sibunit with nitric acid was carried out and Pd/C and Zn/C catalyst samples were prepared by incipient wetness impregnation with aqueous solution of palladium and zinc nitrates varying the temperature of the reduction treatment in hydrogen. A quantitative analysis of oxygen-containing functional groups was carried out using the Boehm potentiometric titration method. It was found that the titration results are in good agreement with the IR spectroscopy data of similar samples and show that the coupling of palladium to the Sibunit surface occurs predominantly with the participation of carboxyl groups, and the coupling of zinc occurs with the participation of phenolic groups.
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