Fig. 3From: The usability of ark clam shell (Anadara granosa) as calcium precursor to produce hydroxyapatite nanoparticle via wet chemical precipitate method in various sintering temperatureXRD patterns of sintered HA at different temperature for 4 h: a 200 °C, b 600 °C, c 800 °C, d 1000 °C, e 1100 °C and f 1200 °CBack to article page