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Reactions of Acetaldehyde on CeO2 and CeO2-Supported Catalysts

Journal of Catalysis, 1995
Abstract The reactions of acetaldehyde were investigated on the surfaces of CeO 2 , 3 wt% Pd/CeO2, 3 wt% Co/CeO 2 , and 3 wt% Pd-3 wt% Co/CeO 2 by temperature programmed desorption (TPD) and infrared spectroscopy (FT-IR). The surface and bulk compositions of these catalysts were studied by X-ray photoelectron spectroscopy (XPS), X-ray diffraction ...
H. Idriss   +4 more
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Preparation of ZrO2-CeO2 and HfO2-CeO2 nanopowders

Inorganic Materials, 2006
We prepared weakly agglomerated powders of ZrO2-CeO2 and HfO2-CeO2 solid solutions 5–8 nm in particle size, consisting of monoclinic and tetragonal phases. After heat treatment at 1200°C, the crystallite size was 30 and 14 nm, respectively. We also examined the effect of precipitate freeze drying on the crystallization of hafnia-based solid solutions ...
V. B. Glushkova, T. I. Panova
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