Conditions of the coprecipitation of calcium hydroxyapatite with ZrO2, ZrO2+Y2O3, Al2O3 from aqueous solutions using ammonia

被引：0
|
作者：
Orlovskii, VP [1 ]
Ezhova, ZA [1 ]
Koval, EM [1 ]
机构：
[1] Russian Acad Sci, Inst Gen & Inorgan Chem, Moscow 117907, Russia
来源：
BIOCERAMICS, VOL 10 | 1997年
关键词：
hydroxyapatite; zirconium dioxide; aluminium oxide; coprecipitation;
D O I：
10.1016/B978-008042692-1/50056-X
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The systems CaCl2-Zn(OH)(2)CL-(NH4)(2)HPO4-NH3-H2O, CaCl2-AlCl3-(NH4)(2)HPO4-NH3-H2O, CaCl2-YCl3-Zr(OH)(2)Cl-2-(NH4)(2)HPO4-NH3-H2O are studied at the 25 degrees C using the solubility method (Tananaev method of residual concentrations). The conditions of coprecipitation of calcium hydroxyapatite (HA) with hydroxides of metals (Zr; Al; Zr with addition of Y) are determined. Using the chemical analysis, XRDA and IRS methods it is shown that after the coprecipitated phases calcined at 900 degrees C the homogenous mixture of HA and oxides (ZrO2; Al2O3; ZrO2+Y2O3) is formed. Zirconium dioxide is crystallized in tetragonal modification.
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页码：237 / 240
页数：4
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