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FT-IR study of the adsorption and transformation of formaldehyde on oxide surfaces
The adsorption of formaldehyde on different oxides (silica, pure and fluorided alumina, magnesia, titania, thoria, zirconia, and iron oxide) has been studied by FT-IR spectroscopy in the temperatureExpand
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Reduction of CeO2 by hydrogen. Magnetic susceptibility and Fourier-transform infrared, ultraviolet and X-ray photoelectron spectroscopy measurements
The reduction of CeO2 by hydrogen has been studied from 300–1200 K by several complementary techniques: temperature-programmed reduction (TPR) and magnetic susceptibility measurements,Expand
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Acidic and basic properties of zirconia—alumina and zirconia—titania mixed oxides
Abstract Two series of mixed oxides ZrO2Al2O3 and ZrO2TiO2 were prepared from propylate hydrolysis, followed by drying and calcination. The acidic and basic properties of the various samples wereExpand
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Hydroxyls of silica powders
Resume Structure, organisation, nature des fonctions chimiques superficielles, autant de facteurs qui influent sur les proprietes des silices obtenues par des syntheses differentes. L'examen deExpand
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FT-IR characterization of the surface acidity of different titanium dioxide anatase preparations
The surface acidity of four different anatase preparations has been studied by FT-IR spectroscopy of adsorbed benzene, ammonia, pyridine, carbon monoxide and dioxide. Our results indicate thatExpand
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Infrared Spectroscopic Study on the Surface Properties of γ-Gallium Oxide as Compared to Those of γ-Alumina
By hydrolysis of an ethanolic gallium nitrate solution, γ-Ga2O3 was prepared as a single-phase polymorph having a specific surface area of 160 m2 g-1. Surface acidity and basicity of this materialExpand
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Study of Bulk and Surface Reduction by Hydrogen of CexZr1-xO2 Mixed Oxides Followed by FTIR Spectroscopy and Magnetic Balance
The CeO2 and CexZr1-xO2 reduction by hydrogen was studied using IR spectroscopy to follow the evolution of the ν(OH) vibrational modes and a magnetic balance to estimate the global reductionExpand
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Comparative Study of SO2 Adsorption on Metal Oxides.
SO2 adsorption on different metal oxides (MgO, CeO2, ZrO2, MgAl2O4, TiO2-anatase, TiO2-rutile, Al2O3 and Na–Al2O3) has been studied using various techniques (thermogravimetry, temperature-programmedExpand
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Microcalorimetric and Fourier transform infrared spectroscopic studies of methanol adsorption on alumina
Adsorption microcalorimetry and infrared measurements using CH/sub 3/OH, CD/sub 3/OH, and CHD/sub 2/OH show the existence of at least three steps during the adsorption of methanol on aluminaExpand
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