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Type: Artigo de periódico
Title: Síntese e caracterização de alfa-fosfato de zircônio(IV) contendo agregados de cobre metálico
Title Alternative: Synthesis and characterization of alpha-zirconium (IV) hydrogenphosphate containing metallic copper clusters
Author: Souza, Alexilda Oliveira de
Rangel, Maria do Carmo
Alves, Oswaldo Luiz
Abstract: The alpha-zirconium (IV) hydrogenphosphate (alpha-ZrP) has received great attention in the last years due to its properties like ion exchange, intercalation, ionic conductivity and catalytic activity. This work reports a method to produce metallic copper clusters on alpha-ZrP to be used as catalysts in petrochemical processes. It was found that the solids were non-crystalline regardless of the uptake of copper and the reduction. The specific surface area increased as a consequence of the increase of the interlayer distance to accept the copper ions between the layers. During the reduction, big clusters of copper (0,5-11µ) with different sizes and shapes were produced.
Subject: alpha-zirconium(IV) hydrogenphosphate
copper(II) exchanged zirconium phosphat
layered zirconium phosphates
Editor: Sociedade Brasileira de Química
Citation: Química Nova. Sociedade Brasileira de Química, v. 28, n. 1, p. 46-49, 2005.
Rights: aberto
Identifier DOI: 10.1590/S0100-40422005000100009
Date Issue: 1-Feb-2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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