SYNTHESIS OF MAGNESIUM AND CARBONATE CO-SUBSTITUTED FLUOROAPATITES BY HYDROTHERMAL METHOD

被引：2

作者：

Ben Salem, Ezzedine ^{[1
]}

Nasr, Samia ^{[1
]}

Gaudin, Etienne ^{[2
]}

Bouzouita, Khaled ^{[1
]}

机构：

[1] Fac Sci, Dept Chim, UR Mat Inorgan, Monastir 5000, Tunisia

[2] Univ Bordeaux 1, CNRS UPR 9048, Inst Chim Matiere Condensee, F-33608 Pessac, France

来源：

ANNALES DE CHIMIE-SCIENCE DES MATERIAUX | 2011年 / 36卷 / 4-6期

关键词：

HYDROXYAPATITE; FLUORIDE; BEHAVIOR; POWDERS;

D O I：

10.3166/acsm.36.205-216

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbonate substituted fluorapatites (Ca10-x/2(PO4)(6-x)(CO3)(x)F-2 and magnesium carbonate co-substituted fluorapatites (Ca10-xMgx/2(PO4)(6-x)(CO3)(x)F-2 have been prepared using the hydrothermal method. The obtained results showed that both CO32- and Mg2+ were incorporated into the apatite structure for x <= 2 for both series. Carbonate ions were located on the phosphate site (type -B substitution). The introduction of CO32- and Mg2+ in the apatite framework involved a decrease of the crystallinity of the as prepared powders due to the reduction of the particle size. The as-prepared powders heat treated at 1000 degrees C in air revealed a partial decomposition of the carbonate apatite phase with a release of CO2 and a formation of CaO.

引用

页码：205 / 216

页数：12

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