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dc.contributor.authorJayasree, J-
dc.description.abstractBinary oxides of aluminium with rare earths like Pr, Nd, Sm and Eu have been prepared by coprecipitation using NH3 from corresponding nitrates. Surface characteristics and acid-base properties have been determined by DTA, SEM, ESCA, MAS27 AINMR, IR and titrimetric methods. Electronegativity of the rare earth oxide influences the acidity and basicity of the binary oxide. Both BrĂ–nsted and Lewis acid sites are observed on catalyst surface. Higher number of Lewis acid sites are observed on AI2O3-Nd2O3 surface.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJC-A Vol.38A(01) [January 1999]en_US
dc.titleAcid - base properties of binary oxide catalysts of alumina - rare earth oxidesen_US
Appears in Collections:IJC-A Vol.38A(01) [January 1999]

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