ISSN:
1572-879X
Keywords:
Platinum
;
platinum-alumina catalysts
;
isomerization catalyst
;
chlorided Pt-Al2O3
;
XPS
;
ESCA
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract XPS data indicate that Pt in a highly chlorided (5–10% Cl) Pt-Al2O3 catalyst is present in a metallic form, and is not chlorided. Surface chloride concentration decreases following reduction in hydrogen; exposure to oxygen increases the surface chloride concentration. In contrast, reduction of chloride containing Pt-SiO2 catalyst dramatically reduces the chloride level; in addition, treatment with CCl4 appears to reoxidize at least some of the Pt in the Pt-SiO2 catalyst.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00765286
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