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  • 1975-1979  (1)
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    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Дисперсность платиновых катализатор на носителях с болшей точностью может быть определена измерением хемосорбии O2 (один атом O на один поверхностный атом Pt, Pts), или CO (одна молекула CO на Pts); среди трех способов наиболее чуствительным является волюметрия. В случае термически чувствителных катализаторов, а также если носитель не полностью интертен к H2 при 400–500°C, доюолнительно следует использовать хемосорбцию H2 и титрование H2−O2.
    Notes: Abstract The dispersity of supported Pt catalysts is measured with better exactness by means of O2 (one atom O per surface Pt atom, Pts), or CO (one CO molecule per Pts) chemisorption; among the three techniques, the volumetric one is the most sensitive. But H2 chemisorption and H2−O2 titrations have to be used additionally in the case of thermally sensitive catalysts and if the support is not completely inert towards H2 at 400–500 °C.
    Type of Medium: Electronic Resource
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