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Structure of Pd/CeO x /Al 2 O 3 Catalysts for NO x Reduction Determined By in Situ X-ray Absorption Spectroscopy

✍ Scribed by Holles, Joseph H.; Davis, Robert J.


Book ID
126009204
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
117 KB
Volume
104
Category
Article
ISSN
0022-3654

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Determination of Ce valence in Rh-Ce/Al2
✍ D.D. Beck; T.W. Capehart; R.W. Hoffman πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 664 KB

Measurements of the cerium L,,, absorption edges of Rh-Ce/Alz03 catalysts were made lo determine changes in the cerium valence produced by high temperature treatments in oxygen or hydrogen. The valences of cerium in the catalyst treated in oxygen at 900Β°C and CeO, are nearly identical. However, appr