Iron-57 Mössbauer spectroscopy study of iron oxide pillared clays synthesised by microwave heating
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A novel method for the rapid preparation of iron oxide-pillared montmorillonite clay using microwave heating is described. The iron oxide pillared clay is progressively reduced in hydrogen at temperatures between 300 and 600°C. The metallic iron formed under reducing conditions is stable to oxygen at room temperature and partially oxidised when heated in oxygen at 300°C.
KeywordsOxide Oxygen Hydrogen Iron Spectroscopy
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