Calcium Phosphate Powder Synthesized from Calcium Acetate and Ammonium Hydrophosphate for Bioceramics Applicationстатья

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1. ceramics-01-00030-v2.pdf ceramics-01-00030-v2.pdf 6,7 МБ 18 декабря 2018 [safronova]
2. Publication_Certificate_MDPI_ceramics-01-00030.pdf Publication_Certificate_MDPI_ceramics-01-00030.pdf 634,9 КБ 15 декабря 2018 [safronova]

[1] Calcium phosphate powder synthesized from calcium acetate and ammonium hydrophosphate for bioceramics application / S. Tatiana, P. Valery, F. Yaroslav et al. // Ceramics. — 2018. — Vol. 1, no. 2. — P. 375–392. Calcium phosphate powder was synthesized at room temperature from aqueous solutions of ammonium hydrophosphate and calcium acetate without pH adjusting at constant Ca/P molar ratio 1.5. Phase composition of the as-synthesized powder depended on the precursors concentration: At 2.0 M of calcium acetate in the starting solution, poorly crystallized hydroxyapatite was formed, 0.125 M solution of calcium acetate afforded brushite, and the powders synthesized from 0.25–1.0 M calcium acetate solutions were mixtures of the mentioned phases. Firing at 1100 oC led to complete elimination of the reaction by-products, yet the phase composition of the annealed compacted samples was the following: When 2.0 M solution of calcium acetate was used, the obtained ceramics consisted of β-Ca3(PO4)2, whereas at 0.125 to 1.0 M of calcium acetate, the ceramics was a mixture of β-Ca3(PO4)2 and β-Ca2P2O7. Synthesized calcium phosphate powders can be used as the powdered precursors for biocompatible bioresorbable composite ceramics production. Keywords: hydroxyapatite; brushite; precipitation; tricalcium phosphate; calcium pyrophosphate; ceramic composite. [ DOI ]

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