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X-ray diffraction studies of the state of components in Pt−Ce/Al2O3 catalysts

✍ Scribed by Moroz, E. M. ;Drozdov, W. A. ;Ushakov, V. A. ;Dzhunusov, A. K. ;Tsyrulnikov, P. G.


Book ID
112689419
Publisher
Springer
Year
1990
Tongue
English
Weight
203 KB
Volume
41
Category
Article
ISSN
0133-1736

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Determination of Ce valence in Rh-Ce/Al2
✍ D.D. Beck; T.W. Capehart; R.W. Hoffman 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 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 900°C and CeO, are nearly identical. However, appr