Enrichment of a Nigerian Calcite ore for Hydroxyapatite production

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dc.contributor.authorBaba, A. A.
dc.contributor.authorWomiloju, A. A.
dc.contributor.authorJoda, A.
dc.contributor.authorLawal, A.
dc.contributor.authorBabamale, H. F.
dc.contributor.authorAlabi, A. G. F.
dc.contributor.authorAdekola, F. A.
dc.date.accessioned2019-10-31T14:31:26Z
dc.date.available2019-10-31T14:31:26Z
dc.date.issued2016-10-20
dc.description.abstractIn this study, Hydroxyapatite (HAp) powders have been prepared from Calcite ore of Nigerian origin using diammonium hydrogen phosphate as the Phosphorus source via hydrothermal method. The HAp powders formed is used to determine the chemical structure and nature of HAp crystals at different reaction temperature and time of operation were characterized by X-ray Fluorescence (XRF), X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) coupled with Energy Dispersive X-ray (EDS) and Fourier Transform Infra-red (FT-IR) techniques. Using a set of experimental conditions, different morphology, crystallinity and stoichiometric ratios were obtained. At optimal conditions (1M (NH4)2HPO4, 850C, 6 hours reaction time), a rectangular, rod-like and layered HAp crystal formed yielded Ca/P molar ratio of 1.66 which is close to the stoichiometric HAp ratio of 1.67 required for biomedical applications.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/3316
dc.language.isoenen_US
dc.publisherAustralian Ceramic Societyen_US
dc.subjectHydroxyapatiteen_US
dc.subjectCalcite oreen_US
dc.subjectNigeriaen_US
dc.subjectHydrothermal methoden_US
dc.subjectCa/P stoichiometric ratio.en_US
dc.titleEnrichment of a Nigerian Calcite ore for Hydroxyapatite productionen_US
dc.title.alternativeJournal of Australian Ceramic Societyen_US
dc.typeArticleen_US

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