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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 41 (1990), S. 277-282 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Для контроля закоксования металлических (Pto) и кислотных (Al3+) центров катализаторов Pt/Al2O3 и Pt−Sn/Al2O3 обосновано использование ИК-спектроскопии адсорбированного CO с детектированием связей Pto−CO (2070 см−1) и Al3+−CO (2190 см−1). Показано, что снижение числа активных центров Pto коррелирует с уменьшением скорости дегидрирования циклогексана, а Al3+-изомеризации гептана.
    Notes: Abstract To check coke formation on metallic (Pto) and acidic (Al3+) centers of Pt/Al2O3 and Pt−Sn/Al2O3 catalysts, the application of IR spectroscopy of adsorbed CO for detecting Pto−CO (2070 cm−1) and Al3+−CO (2190 cm−1) bonds has been substantiated. Decrease in the number of active Pto and Al3+ centers is shown to correlate with that in the dehydrogenation rate of cyclohexane and in the isomerization rate of heptane, respectively.
    Type of Medium: Electronic Resource
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