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Journal of Nanoparticle Research
Published in: Journal of Nanoparticle Research 5/2010

01-06-2010 | Research Paper

Synthesis of MgAl2O4 spinel nanoparticles using a mixture of bayerite and magnesium sulfate

Authors: Xinghua Su, Xuelian Du, Suqiang Li, Jiangong Li

Published in: Journal of Nanoparticle Research | Issue 5/2010

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Abstract

This article reports a novel method to prepare MgAl2O4 spinel nanoparticles. By calcining a powder mixture of bayerite and magnesium sulfate at 800 °C and washing with water, single-phase MgAl2O4 spinel nanoparticles were prepared. The powder mixture and the calcined products were characterized by differential thermal and thermogravimetric analysis (DSC-TG), X-ray diffraction (XRD), transmission electron microscopy (TEM), and Brunauer–Emmett–Teller (BET) nitrogen-gas adsorption method. The obtained MgAl2O4 spinel nanoparticles have an average particle size of 12 nm, a narrow size distribution, and weak agglomeration. The specific surface area of the MgAl2O4 spinel powder is 110 m2/g. The formation of MgAl2O4 spinel is attributed to a solid-state reaction between γ-Al2O3 and MgSO4.
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Metadata
Title
Synthesis of MgAl2O4 spinel nanoparticles using a mixture of bayerite and magnesium sulfate
Authors
Xinghua Su
Xuelian Du
Suqiang Li
Jiangong Li
Publication date
01-06-2010
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 5/2010
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-009-9739-2

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