Synthesis of carbonate substituted hydroxyapatite by Pechini method
Keywords:
Carbapatite, hydroxyapatite, pechini method, thermal analysis.Abstract
Calcium hydroxyapatite (Ca10(PO4)6(OH)2) was synthesized by Pechini method byusing citric acid and ethylene glycol as a complexing agent and gelling agent. Calciumnitrate and diammonium hydrogen phosphate were taken as the source of calciumand phosphate respectively. The as-prepared precursor and calcined products werecharacterized by powder X-ray diffraction (XRD) for phase identification, Fourier -Transform Infrared spectroscopy (FT-IR) for functional group analysis and Thermalanalyzer to check the thermal stability. Results showed that the product formed is acarbonate substituted hydroxyapatite and its thermal stability is less when comparedwith pure hydroxyapatite.References
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