Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 588, Issue -, Pages 305-309Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.11.078
Keywords
Zinc aluminate; ZnAl2O4; Synthesis; Metal-chitosan complexation
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Funding
- CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
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Zinc aluminate (ZnAl2O4) particles with a spinel structure were prepared by metal-chitosan complexation method. The solids were obtained by the thermal decomposition of precursor compound of metallic hydroxides mixture and the biopolymer chitosan. X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray fluorescence (XRF), scanning electron microscopy (SEM) and N-2-adsorption-desorption isotherms were used for the characterization of the products. The results showed that the ZnAl2O4 spinel can be obtained by heating the precursor at temperatures above of 500 degrees C, resulting in a material with porous structure and large surface area and high purity. (C) 2013 Elsevier B.V. All rights reserved.
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