Abstract
Carbonated hydroxyapatite powders were obtained by wet method. The CO 3 2 − ions were introduced using NH 4HCO 3 and NaHCO 3 in the amount of 0.1 or 0.05 M. It was found by FTIR and X-ray studies that fraction of CO 3 2 − substitutions in the HAp structure and thermal stability of CHAp depends on the amount and type of carbonate additives. The significant decomposition of carbonated hydroxyapatite powders is observed when they are heated at the temperature of 800 °C.
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