Effect of Manganese Addition on Structure and Properties of Hydroxyapatite Synthesized from Eggshells

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Panin Poolchak
Weeranut Kaewwiset
Patcharin Naemchanthara
Ekachai Hoonnivathana
Pichet Limsuwan
Kittisakchai Naemchanthara


In this research, manganese added hydroxyapatite was synthesized from eggshells by precipitation method. Structure and properties of the samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR). The intensity of XRD pattern and crystallite size of hydroxyapatite decreased with increasing manganese concentration. Function groups of hydroxyapatite and manganese were confirmed by FTIR. The experimental results indicated that the manganese can be improved the properties of hydroxyapatite by precipitation method.


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บทความวิจัย (Research article)