FIELD: chemistry.
SUBSTANCE: invention relates to bone implant materials and can be used for filling bone defects. A method is proposed for preparing a mixture for ceramic material based on carbonated hydroxyapatite. The mixture is obtained by reacting aqueous solutions of calcium acetate with concentration of 0.25-1.00 M and potassium hydrophosphate with concentration of 0.15-0.60 M in an alkaline medium provided by KOH which is taken in excess of 1.2 times relative the amount calculated for the reaction. The synthesised powder is dried after removal. The mixture made this way contains 65-92% carbonated hydroxyapatite and 8-35% potassium acetate.
EFFECT: uniform distribution of components in a mixture enables making ceramic material based on carbonated hydroxyapatite with grain size of 400-600 nm.
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