NDLI: Synthesis and characterization of MgSO$_{4}$·5Mg(OH)$_{2}$·2H$

Content Provider	Springer Nature Link
Author	Fu, Jian gang Liang, Wei Wang, Hui He, Zhang xing
Copyright Year	2011
Abstract	Magnesium oxysulfate (MgSO$_{4}$·5Mg(OH)$_{2}$·2H$_{2}$O) flake powders with an average diameter of 2 μm and a thickness of 0.052 μm were prepared using magnesium sulfate and sodium hydroxide as raw materials by hydrothermal synthesis process. The composition, morphology and structural features of the hydrothermal products were examined with X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The experimental results indicate that in the conditions of n(NaOH)/n(MgSO$_{4}$) of 1.25, the dosage of w(Na$_{3}$PO$_{4}$) crystal additives of 1.0% w(MgSO$_{4}$), stirring for 5 h at 180 °C, the morphology of MgSO$_{4}$·5Mg(OH)$_{2}$·2H$_{2}$O products is flaky and laminar, which is a kind of complex magnesium single-crystal. The recycling of MgSO$_{4}$ mother liquor was also investigated to make a full use of the materials and reduce disposal. The results prove that there is no adverse effect on the yield and purity of the products.
Starting Page	1871
Ending Page	1876
Page Count	6
File Format	PDF
ISSN	10059784
Journal	Journal of Central South University of Technology
Volume Number	18
Issue Number	6
e-ISSN	19930666
Language	English
Publisher	Central South University
Publisher Date	2011-12-02
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	hydrothermal synthesis magnesium oxysulfate flake powders crystal additives Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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