Fig. 6From: The usability of ark clam shell (Anadara granosa) as calcium precursor to produce hydroxyapatite nanoparticle via wet chemical precipitate method in various sintering temperatureEDX spectra of HA at different sintering temperatures: a 200 °C, b 600 °C, c 800 °C, d 1000 °C, e 1100 °C, and f 1200 °CBack to article page