Obtention of meta and pyro vanadates of cadmium from an unusual low energy process. I. α-metavanadate
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Add time:08/14/2019 Source:sciencedirect.com
The behaviour of CdCo3-V2O5 (1:1) mixture in a saturated water-vapour atmosphere, has been studied at room temperature by means of X-ray diffraction (XRD), infrared spectroscopy (IR) and thermal analysis (TG) and (DSC). The results showed a dramatic change in V2O5 crystalline structure due to adsorption process of water molecules and formation of highly reactive V2O5 gels. An acid-base mechanism is proposed in order to explain the CdCO3 decomposition at room temperature by acid attack of V2O5 gels, and posterior α-CdV2O6 formation.
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