Properties of hydroxyapatite crystallized from high temperature alkaline solutions
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1996
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Hydroxyapatite was prepared from alkaline solutions at 95 degrees C by the method of slow titration in an atmosphere of nitrogen. The crystals were ripened under reflux for various periods of time, and then characterized by X-ray diffraction, infrared analysis, transmission electron microscopy, differential thermal analysis, thermogravimetric analysis, surface area measurements and chemical analysis. The obtained crystals are pure apatites with stoichiometric Ca/P ratio. The phase composition of the prepared powders remains unchanged after heating at 900 degrees C during 2 h. The lattice constants of maturated powders were in excellent agreement with ASTM 9-432 diffraction file data for the hydrohxyapatite. Ripening under reflux improved lattice ordering but did not have a marked effect on the Ca/P ratio. Crystallite size and morphology significantly changed during the first day of refluxing following synthesis.
Izvor:
Journal of Crystal Growth, 1996, 165, 1-2, 124-128
DOI: 10.1016/0022-0248(96)00165-0
ISSN: 0022-0248
WoS: A1996UZ45900019
Scopus: 2-s2.0-0030564550
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Institucija/grupa
VinčaTY - JOUR AU - Lazić, Slavica AU - Katanić-Popović, J. AU - Zec, Slavica AU - Miljević, Nada R. PY - 1996 UR - https://vinar.vin.bg.ac.rs/handle/123456789/2000 AB - Hydroxyapatite was prepared from alkaline solutions at 95 degrees C by the method of slow titration in an atmosphere of nitrogen. The crystals were ripened under reflux for various periods of time, and then characterized by X-ray diffraction, infrared analysis, transmission electron microscopy, differential thermal analysis, thermogravimetric analysis, surface area measurements and chemical analysis. The obtained crystals are pure apatites with stoichiometric Ca/P ratio. The phase composition of the prepared powders remains unchanged after heating at 900 degrees C during 2 h. The lattice constants of maturated powders were in excellent agreement with ASTM 9-432 diffraction file data for the hydrohxyapatite. Ripening under reflux improved lattice ordering but did not have a marked effect on the Ca/P ratio. Crystallite size and morphology significantly changed during the first day of refluxing following synthesis. T2 - Journal of Crystal Growth T1 - Properties of hydroxyapatite crystallized from high temperature alkaline solutions VL - 165 IS - 1-2 SP - 124 EP - 128 DO - 10.1016/0022-0248(96)00165-0 ER -
@article{ author = "Lazić, Slavica and Katanić-Popović, J. and Zec, Slavica and Miljević, Nada R.", year = "1996", abstract = "Hydroxyapatite was prepared from alkaline solutions at 95 degrees C by the method of slow titration in an atmosphere of nitrogen. The crystals were ripened under reflux for various periods of time, and then characterized by X-ray diffraction, infrared analysis, transmission electron microscopy, differential thermal analysis, thermogravimetric analysis, surface area measurements and chemical analysis. The obtained crystals are pure apatites with stoichiometric Ca/P ratio. The phase composition of the prepared powders remains unchanged after heating at 900 degrees C during 2 h. The lattice constants of maturated powders were in excellent agreement with ASTM 9-432 diffraction file data for the hydrohxyapatite. Ripening under reflux improved lattice ordering but did not have a marked effect on the Ca/P ratio. Crystallite size and morphology significantly changed during the first day of refluxing following synthesis.", journal = "Journal of Crystal Growth", title = "Properties of hydroxyapatite crystallized from high temperature alkaline solutions", volume = "165", number = "1-2", pages = "124-128", doi = "10.1016/0022-0248(96)00165-0" }
Lazić, S., Katanić-Popović, J., Zec, S.,& Miljević, N. R.. (1996). Properties of hydroxyapatite crystallized from high temperature alkaline solutions. in Journal of Crystal Growth, 165(1-2), 124-128. https://doi.org/10.1016/0022-0248(96)00165-0
Lazić S, Katanić-Popović J, Zec S, Miljević NR. Properties of hydroxyapatite crystallized from high temperature alkaline solutions. in Journal of Crystal Growth. 1996;165(1-2):124-128. doi:10.1016/0022-0248(96)00165-0 .
Lazić, Slavica, Katanić-Popović, J., Zec, Slavica, Miljević, Nada R., "Properties of hydroxyapatite crystallized from high temperature alkaline solutions" in Journal of Crystal Growth, 165, no. 1-2 (1996):124-128, https://doi.org/10.1016/0022-0248(96)00165-0 . .