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Synthesis and characterization of nano-crystalline calcium phosphates with EDTA-assisted hydrothermal method
AbstractThis study aims to prepare the biologically important hydroxyapatite (HA), dicalcium phosphate dihydrate (DCPD) and dicalcium phosphate anhydrous (DCPA) phases in simple EDTA – assisted hydrothermal method. X-ray diffraction results showed that pure DCPD, DCPA and HA nano-crystals were obtained in the Ca–EDTA/PO4 solutions at 120°C, 180°C and 210°C, respectively. Thermal gravimetric analysis of the DCPD precipitates revealed that phase transformations of DCPD to DCPA and DCPA to HA occurred at 139°C and 195°C, respectively, which resulted in the different Ca–P phases during hydrothermal synthesis at different temperature ranges.
Synthesis and characterization of nano-crystalline calcium phosphates with EDTA-assisted hydrothermal method
AbstractThis study aims to prepare the biologically important hydroxyapatite (HA), dicalcium phosphate dihydrate (DCPD) and dicalcium phosphate anhydrous (DCPA) phases in simple EDTA – assisted hydrothermal method. X-ray diffraction results showed that pure DCPD, DCPA and HA nano-crystals were obtained in the Ca–EDTA/PO4 solutions at 120°C, 180°C and 210°C, respectively. Thermal gravimetric analysis of the DCPD precipitates revealed that phase transformations of DCPD to DCPA and DCPA to HA occurred at 139°C and 195°C, respectively, which resulted in the different Ca–P phases during hydrothermal synthesis at different temperature ranges.
Synthesis and characterization of nano-crystalline calcium phosphates with EDTA-assisted hydrothermal method
Xin, Renlong (author) / Ren, Fuzeng (author) / Leng, Yang (author)
2009-01-30
4 pages
Article (Journal)
Electronic Resource
English
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