Abstract
β-tricalcium phosphate (β-TCP) and biphasic calcium phosphate powders (BCP), consisting of hydroxyapatite (HA) and β-TCP, were synthesized by thermal decomposition of precursor powders obtained from neutralization method. The precursor powders with a Ca/P molar ratio of 1.5 were prepared by adding an orthophosphoric acid (H3PO4) solution to an aqueous suspension containing calcium hydroxide (Ca(OH)2). Mixing was carried out by vigorous stirring and under sonochemical irradiation at 50 kHz, respectively. Glycerol and D-glucose were added to evaluate their influence on the precipitation of the resulting calcium phosphate powders. After calcination at 1000°C for 3 h BCP nanopowders of various HA/β-TCP ratio were obtained.
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The authors are grateful to A. Stiegelschmitt, C. Zollfrank, and A. Roosen for helpful discussion and to CAPES and DAAD for financial support within the frame of a PROBRAL project.
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de Campos, M., Müller, F.A., Bressiani, A.H.A. et al. Sonochemical synthesis of calcium phosphate powders. J Mater Sci: Mater Med 18, 669–675 (2007). https://doi.org/10.1007/s10856-006-0006-0
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DOI: https://doi.org/10.1007/s10856-006-0006-0