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  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Solid State Reactions in Catalysts and Components of Catalysts. VI. Investigations on Pt/γ-Al2O3 Catalysts Modified by ChlorineThe influence of tetrachloromethane and trichloromethane in an oxidizing atmosphere on the solid state behaviour of Pt/γ-Al2O3 catalysts has been investigated. The samples were characterized by means of several methods: Determination of the total content regarding chlorine and platinum, CO chemisorption capacity, content of oxidized platinum and densitometric investigations, resp. The treatment of the catalysts with the cited substances leads partly to drastic changes in the mentioned parameters. This fact again influences the catalytic properties of such samples in the conversion of hydrocarbons.
    Notes: Es wurde der Einfluß von Tetrachlorkohlenstoff und Chloroform in oxydierender Atmosphäre auf das festkörperchemische Verhalten von Pt/γ-Al2O3-Katalysatoren untersucht. Die Charakterisierung der Proben erfolgte durch Bestimmung des Gesamtchlor- und Gesamt-platingehaltes, der CO-Chemisorptionskapazität, des Gehaltes an oxydiertem Platin sowie durch orientierende densitometrische Messungen. Die Behandlung der Katalysatoren mit den angeführten Substraten führt teilweise zu drastischen Änderungen in den genannten Kenngrößen; dies wiederum beeinflußt die katalytischen Eigenschaften derartiger Proben bei Kohlenwasserstoff-Umwandlungs-reaktionen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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