Ceramics based on calcium phosphates are obtained from powders synthesized from aqueous solutions of calcium nitrate, ammonium hydrogen phosphate, ammonium pyrophosphate and from a mixed-anionic solution containing both pyro- and ammonium orthophosphate at a molar ratio (NH 4 ) < sub> 2 HPO 4 / (NH 4 ) 4 P 2O7 equal to 1. Received ceramics contains biocompatible bioresorbable phases and can be used for the manufacture of implants used in regenerative methods for treating bone tissue defects. The use of synthesis from mixed-anionic solutions to obtain powders of calcium phosphates with a significant content of each of the anions is presented for the first time
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