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Reaction Kinetics and Catalysis Letters, 1982
Chemisorption of H2S on Al2O3, Al2O3−Cl and Pt/Al2O3−Cl has been studied by gravimetry and IR spectroscopy. The influence of the amount of Cl on the H2S adsorption equilibrium value and the nature of the adsorption sites at low and high coverages are discussed.
C. R. Apesteguía +4 more
exaly +2 more sources
Chemisorption of H2S on Al2O3, Al2O3−Cl and Pt/Al2O3−Cl has been studied by gravimetry and IR spectroscopy. The influence of the amount of Cl on the H2S adsorption equilibrium value and the nature of the adsorption sites at low and high coverages are discussed.
C. R. Apesteguía +4 more
exaly +2 more sources
Slip casting of Al2O3 and Al2O3/ZrO2 composites
Journal of Materials Science, 1990Al2O3 and Al2O3/ZrO2 composites have been fabricated by slip casting from aqueous suspensions. The physical and structural characteristics of the starting powders, composition of the suspensions, casting behaviour, microstructure of the green and fired bodies and the mechanical properties of the products were investigated. The addition of ZrO2 to Al2O3
BELLOSI A +2 more
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Preparation and Characterization of FeCo-Al2O3 and Al2O3 Aerogels
Journal of Sol-Gel Science and Technology, 2004Nanocrystalline γ-Al2O3 and FeCo-Al2O3 nanocomposites containing FeCo alloy nanoparticles well dispersed in the nanocrystalline γ-Al2O3 matrix were successfully obtained by the sol-gel method using aluminum tri-sec-butoxide and iron and cobalt nitrates as precursors.
CORRIAS, ANNA +3 more
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Role of Al2O3 in Al2O3–Bi2O3–P2O5 glasses
Applied Physics A, 2021Research on ternary Al2O3–P2O5–Bi2O3 glasses had been achieved. The changes in density and ultrasonic velocities were used to determine the elastic moduli and Debye temperature of the glasses. The investigated ultrasonic parameters were correlated with the structural variations represented by the FTIR spectra to examine the function of Al2O3 in the ...
Yasser B. Saddeek +2 more
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Radial profiles in Pt/Al2O3, Re/Al2O3 , and Pt-Re/Al2O3
Applied Catalysis, 1984Abstract The competitive effect of HCl on H2PtCl6 and/or HReO4 deposition on γ-Al2O3 was studied. For this purpose HCl, H2PtCl6, and HReO4 adsorption isotherms were determined, and the radial distribution profiles of the three components were obtained by impregnating cylindrical tablets.
Sergio R. de Miguel +5 more
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Interfacial reactions in Al2O3/Ti, Al2O3/Ti3Al and Al2O3/TiAl bilayers
Thin Solid Films, 1999Abstract Interfacial reactions were studied at three different heat-treated oxide/metal bilayers (oxide: amorphous a-Al 2 O 3 and metal: crystalline c-Ti, Ti 3 Al or TiAl) by means of AES depth profiling. The different oxide/metal bilayers were sputter deposited on smooth silicon substrates, covered with a TiN thin-film diffusion barrier.
A Zalar +4 more
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