Nano-hydroxyapatite preparation from biogenic raw materials

Author:

Gergely Gréta1,Wéber Ferenc1,Lukács István1,Illés Levente1,Tóth Attila1,Horváth Zsolt2,Mihály Judit3,Balázsi Csaba1

Affiliation:

1. 1Ceramics and Nanocomposites Department, Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences, 1121, Budapest, Hungary

2. 2Nanostructures Department, Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences, 1121, Budapest, Hungary

3. 3IR and Raman Spectroscopy Laboratory, Chemical Research Center, Hungarian Academy of Sciences, 1025, Budapest, Hungary

Abstract

AbstractHydroxyapatite (HAp) was successfully produced from recycled eggshell, seashell and phosphoric acid. The phases obtained depended on the ratio of calcined eggshell/ seashell to phosphoric acid, the calcination temperature and the mechanochemical activation method (ball milling or attrition milling). The HAp structures were characterized by X-ray diffraction, scanning electron microsopy and infrared spectroscopy. Attrition milling was more effective than ball milling, yielding nanosize, homogenous and pure Hap.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,General Chemistry

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