Table 5: Ca/P molar ratio of the synthesized and hydrothermal-treated powders after heating at 1000°C for 1 h.
Synthesized powders Hydrothermal-treated powders
100°C 120°C 140°C 160°C 180°C
Ca/P molar ratio 1.39 1.55 1.57 1.60 1.62 1.64