Material Brief: Active Metal Area and Dispersion of a Supported Metal Catalyst - ChemBET Pulsar

Platinum (Pt) on alumina catalyst was analyzed by CO pulse titration using the ChemBET Pulsar. The active metal area and percent (%) metal dispersion were calculated from the pulse titration data.

Important properties for supported metal catalysts include the active metal area and the % metal dispersion. Active metal area is the quantification of available catalytically-active metal sites within the material and dispersion gives an idea of the synthesis efficiency or how much metal is “wasted” in the catalyst synthesis process. Active metal area and dispersion are largely controlled by the synthesis method and catalyst support. The ChemBET Pulsar was used to measure the active metal area and dispersion of a 2 wt% Pt on alumina catalyst using CO pulse titration.

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