Surface acidity of the La2O3/Al2O3 system |
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| Authors: | K Jirátová and E A Paukshtis |
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| Institution: | (1) Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, 165 02 Prague 6-Suchdol, Czech Republic;(2) Boreskov Institute of Catalysis, 630 090 Novosibirsk, Russia |
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| Abstract: | Surface acidity of aluminium oxide containing 5 wt. % lanthanum oxide has been determined by IR spectroscopy. Strength of Lewis sites of the La2O3/Al2O3 system was lower than that of pure aluminium oxide. However, the presence of La2O3 in aluminium oxide increased the thermostability of these sites in the mixed system. |
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