T Safronova, A Kiselev, I Selezneva, T Shatalova… - Materials, 2022 - mdpi.com
Ceramic samples based on β-calcium pyrophosphate β-Ca2P2O7 were prepared from powders of γ-calcium pyrophosphate γ-Ca2P2O7 with preset molar ratios Ca/P= 1, 0.975 …
Triple superphosphates [TSPs, Ca (H2PO4) 2· H2O] were produced by exothermic reactions of oyster shells and different concentrations of phosphoric acid (10, 20, 30, 40, 50, 60, and …
M Elmehdi, S Zerraf, S Ameur, K Mizeb… - Journal of Solid State …, 2024 - Elsevier
Abstract The α-Sr (PO 3) 2 was synthesized at 273.15 K and P= 1.01325 bar and characterized by single crystal X-ray diffraction analysis, IR & Raman spectroscopy, and …
TV Safronova, AS Khantimirov, TB Shatalova… - Ceramics, 2023 - mdpi.com
Fine powders of brushite CaHPO4· 2H2O, ardealite Ca (HPO4) x (SO4) 1− x· 2H2O (Ca (HPO4) 0.5 (SO4) 0.5· 2H2O), and calcium sulfate dihydrate CaSO4· 2H2O—all containing …
β-Tricalcium phosphate (β-Ca3 (PO4) 2) based ceramics with a relative density of 20–21%, grain size from 200 to 600 nm, and compressive strength from 1.6 to 1.8 MPa have been …
Ceramic materials in Na2O-CaO-P2O5 system were obtained by firing cement-salt stone made from pastes based on powder mixtures including calcium citrate tetrahydrate Ca3 …
OU Toshev, TV Safronova, TB Shatalova… - Ceramics (2571 …, 2023 - search.ebscohost.com
Ceramic materials in Na< sub> 2 O-CaO-P< sub> 2 O< sub> 5 system were obtained by firing cement-salt stone made from pastes based on powder mixtures including calcium …
TV Safronova, X Feng, VI Vorobyov, X Liao… - Glass and Ceramics, 2025 - Springer
Ceramics in the Ca2P2O7–Ca3 (PO4) 2 system were obtained from powder mixtures containing calcium hydroxyapatite Ca10 (PO4) 6 (OH) 2 and monocalcium phosphate …
TV Safronova, Z Zhao, Q Li, MR Kaimonov… - Glass and Ceramics, 2023 - Springer
Hydroxyapatite (HA) Ca10 (PO4) 6 (OH) 2 powders kept for 1 h with stirring in 0.25 M aqueous solutions of dihydrogen phosphates of ammonium NH4H2PO4, sodium NaH2PO4 …