Molecular oxidic phases of diluted silica supported vanadia |
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| Authors: | M Richter K Heise and G Öhlmann |
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| Institution: | (1) Central Institute of Physical Chemistry, Academy of Sciences of the GDR, 1199 Berlin, GDR |
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| Abstract: | Different surface phases of silica supported vanadia catalysts have been characterized by static adsorption, reduction, and reoxidation experiments under vacuum conditions. The obvious mobility of vanadium involved in some preparation steps gives rise to a diversification of initial precursor phases as a function of pretreatment conditions and SiOH concentration.
                   SiO2    ,      .  ,    ,  SiOH.
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