Sol-gel preparation of In2O3-Al2O 3 supports with controlled textural and structural properties
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Alumina supports with a very narrow pore size distribution were obtained with indium-doped alumina prepared by the sol-gel method. The formation of aluminum in pentahedral coordination was identified by 27Al NMR-MAS-spectroscopy. A good correlation was obtained with the AlV NMR-MAS intensity signal and the activity in isopropanol dehydration. The insertion of In3 substituting some Al3 in the alumina network was suggested. © Springer-Verlag/Akadémiai Kiadó 2007.
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Alumina supports with a very narrow pore size distribution were obtained with indium-doped alumina prepared by the sol-gel method. The formation of aluminum in pentahedral coordination was identified by 27Al NMR-MAS-spectroscopy. A good correlation was obtained with the AlV NMR-MAS intensity signal and the activity in isopropanol dehydration. The insertion of In3%2b substituting some Al3%2b in the alumina network was suggested. © Springer-Verlag/Akadémiai Kiadó 2007.
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Indium-alumina 27Al NMR-MAS; Indium-alumina isopropanol dehydration; Indium-alumina XRD; Indium-doped alumina; Sol-gel alumina Alumina; Doping (additives); Indium; Nuclear magnetic resonance spectroscopy; Pore size; Sol-gel process; Indium alumina isopropanol dehydration; Indium alumina XRD; Indium doped alumina; Sol gel alumina; Indium compounds
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