THE ROLE OF HPO4(2-) AND CO3(2-) IONS IN THE TRANSFORMATION OF SYNTHETIC APATITES TO BETA-CA3(PO4)2

被引：26
|
作者：
APFELBAUM, F
MAYER, I
FEATHERSTONE, JDB
机构：
[1] HEBREW UNIV JERUSALEM,DEPT INORGAN & ANALYT CHEM,JERUSALEM,ISRAEL
[2] EASTMAN DENT CTR,ROCHESTER,NY 14620
来源：
JOURNAL OF INORGANIC BIOCHEMISTRY | 1990年 / 38卷 / 01期
关键词：
D O I：
10.1016/0162-0134(90)85001-D
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The simultaneous effect of HPO42- and CO32- ions on the thermal decomposition of synthetic carbonated apatites to β-tricalcium phosphate has been studied. The apatites were prepared under different pH conditions and with different carbonate concentrations and were then heated with and without CaHPO4·2H2O up to 1100°C. The products were studied by infrared, Fourier transform infrared, and x-ray diffraction methods. The results showed that when HPO42- is present in the system (preparation at low pH or addition of CaHPO4), β-Ca3(PO4)2 formed below 700°C and that decomposition was slower or was prevented totally in the presence of carbonate ions. © 1990.
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页码：1 / 8
页数：8
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