Abstract
Calcium phosphates ceramics such as a hydroxyapatite have composition and structure similar to be mineral component of bone. Hydroxyapatite could be production from natural and chemical source with various techniques. In this study, Calcium phosphates was prepared and characterized for future applications on the utilization of bioactivity and resorbability of Hydroxyapatite. Hydroxyapatite was synthesized by precipitation method using cuttlefish bone as the calcium (Ca) source in the form of calcium nitrate and ammonium phosphate as the phosphate (P) source. The property, crystal structure and crystalline size of samples were investigated by X-ray diffraction (XRD) and Fourier transforms infrared spectroscopy (FTIR). The results showed that the raw cuttlefish bone was calcite and aragonite phase and completely transformed to calcium oxide at 1000 °C. Hydroxyapatite from cuttlefish bone was hexagonal phase. The crystalline size of hydroxyapatite increases with increasing temperature from 200-1300 °C. This experiment indicated that the hydroxyapatite could be synthetized from cuttlefish bone.
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