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Formal Charge Model for Predicting Structures, Acid-Base, and Ion Exchange Properties of Mixed Oxides
Published online by Cambridge University Press: 10 February 2011
Abstract
The range of mixed-oxide materials used in ion exchange and catalytic materials is rapidly expanding from aluminosilicates such as zeolites and clays into materials whose structure and chemical properties are more difficult to predict and understand. A simple model based on local charge has been developed to predict distributions of local bonding configurations of both cations and anions in mixed oxides. The model, illustrated for the case of silicotitanates, provides qualitative predictions regarding both the acid-base and ion exchange properties of such materials as a function of composition.
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- Copyright © Materials Research Society 1997