Abstract

Heat induced amorphisation of cobalt and zinc ion-exchanged zeolites A and Y has been used as a synthetic method to prepare the spinel phases CoAl2O4 and ZnAl2O4. We report here some of our early results from an in situ investigation into the formation of these phases and we discuss the possibilities of estimating spinel particle size from the magnitude of the second peaks in the EXAFS Fourier transform.

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