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Der Einfluß der Darstellungsbedingungen auf die Aktivität eines Pt‐Aktivkohleträgerkatalysators mit 5 Gew. % Pt wird im Hinblick auf die optimalen Bedingungen zur Darstellung hochaktiver Katalysatoren mit relativ niedrigem Gehalt an aktiver Komponente untersucht.

The purpose of this work was to investigate the effect of preparation conditions on the activity of catalysts containing 5% (w!w) of platinum on charcoal, obtained by reduction of chloroplatinic acid with hydrogen. Knowledge of this effect makes it possible to choose the optimum conditions and prepare highly active catalysts with a relatively low content of the active component. Our attention was focussed on the kinetics of the reduction of chloroplatinic acid (on charcoal as support), followed by measuring the content of hydrogen chloride and chlorine in the reduction outlet gas .