Synthesis and Properties of Spinel-Type
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G.L. Castiglioni; G. Minelli; P. Porta; A. Vaccari
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Article
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2000
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Elsevier Science
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English
⚖ 210 KB
Di4erent mixed oxides containing Cu, Zn, Co, Mg, and Cr were obtained by calcining hydroxycarbonate precursors at different temperatures (653 or 873 K). Characterization was performed by X-ray di4raction, thermal analysis, infrared and re6ectance spectroscopy, and BET surface area determination. Dep