Reactivity of ionic oxides through water molecules adsorption process. MgO—V2O5 behaviour

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1991 Spain English Publisher:Elsevier BVJournal:Solid State Ionics, volume 45, pages 15-20 (issn: 0167-2738,

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Authors: Goñi Elizalde, Sara; García-Clavel, Maria E.;

doi: 10.1016/0167-2738(91)90097-u

handle: 10261/244573

Reactivity of ionic oxides through water molecules adsorption process. MgO—V2O5 behaviour

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Abstract

Crystalline V2O5 reactivity is strongly dependent on both particle and relative humidity sorrounding the sample. To study the increase of reactivity of crystalline V2O5 (grain size<0.05 mm), a mixture of MgO-V2O5 (1:1) has been kept ina watervapour saturated atmosphere for different periods of time. X-ray diffraction (XRD) is empoyed to follow the structural evolution of the mixture, the adsorption process of water molecules has been studied by infrared spectroscopy as well as by thermogravimetry (TG).

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