Infrared spectroscopic studies of the acidity of chromium molybdate catalysts |
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| Authors: | A A Budneva and A A Davydov |
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| Institution: | (1) Institute of Catalysis, Novosibirsk, USSR |
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| Abstract: | NH3 adsorption on chromium molybdate at 25 and 350°C has been studied. Ammonia chemisorption has been found on electron-acceptor and Brønsted centers. The acceptor capacity of cations is shown to change as compared to individual oxides and upon high-temperature interaction with ammonia.
               NH3      25° 350°.       .      .
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