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Sonochemical Synthesis of Zn3(PO4)2.4H2O and Zn3(PO4)2 Powders

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Abstract:

Zn3(PO4)2.4H2O, which is an important component of biomedical zinc phosphate cement, was synthesized from an aqueous solution of zinc oxide and orthophosphoric acid by the sonochemical method. This synthesis method yielded best results with respect to high purity and crystallinity. Structural characteristics of the compound were investigated by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and scanning electron microscopy (SEM). FT-IR spectra indicated the presences of different crystallographic PO43 ion and H2O molecules for the Zn3(PO4)2.4H2O and Zn3(PO4)2 structures. The resulting XRD patterns showed the purity phases of orthorhombic Zn3(PO4)2.4H2O and the monoclinic for its final decomposed Zn3(PO4)2 product. The thermal stability, crystallite size, and plate-like microparticles of Zn3(PO4)2.4H2O and Zn3(PO4)2 are different in this work from those in previous reports, which may be caused by the starting reagents and reaction condition for the sonochemical method.

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Periodical:

Advanced Materials Research (Volume 506)

Pages:

94-97

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.506.94

Citation:

Cite this paper

Online since:

April 2012

Authors:

M. Sutapun, B. Boonchom, Naratip Vittayakorn

Keywords:

Sonochemical Synthesis, Zinc Phosphate Cement, α-Hopeite

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