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
收藏
页码：205 / 216
页数：12
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