Influence of chromium(III) on the formation of calcium hydroxyapatite

被引：34

作者：

Wakamura, M ^{[1
]}

Kandori, K ^{[1
]}

Ishikawa, T ^{[1
]}

机构：

[1] OSAKA UNIV EDUC,SCH CHEM,KASHIWA,OSAKA 582,JAPAN

来源：

POLYHEDRON | 1997年 / 16卷 / 12期

关键词：

calcium hydroxyapatite; chromium(III); crystal growth; particle morphology; EPMA; XPS;

D O I：

10.1016/S0277-5387(96)00513-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Colloidal Ca-10(PO4)(6)(OH)(2)(HA) particles doped with Cr3+ ions in different mole ratios (Cr/(Ca + Cr)) = X(Cr) by a coprecipitation method were characterized by ICP, XRD, N-2, adsorption, TEM, EPMA, TG, XPS and FTIR. Ca2+ ions of HA were substituted by Cr3+ ions in one to one at X(Cr) less than or equal to 0.13. The particle size increased with an increase in X(Cr). When doped at X(Cr) greater than or equal to 0.13 irregular particles were formed besides long rectangular particles containing Cr3+ ions less than ca 0.03 in X(Cr). The compositions of these two kinds of particles showed that the long rectangular particles were HA and the irregular particles were hydrated calcium chromium phosphate hydroxide. The growth of HA crystals was strongly promoted by doping Cr3+ ions. (C) 1997 Elsevier Science Ltd.

引用

页码：2047 / 2053

页数：7

共 12 条

[1] EFFECTS OF ALUMINUM(III), CHROMIUM(III), AND IRON(III) ON THE RATE OF DISSOLUTION OF CALCIUM HYDROXYAPATITE CRYSTALS IN THE ABSENCE AND PRESENCE OF THE CHELATING AGENT DESFERRIOXAMINE [J].