研究了不同浓度的F-和Ce3+对磷酸三钙(Ca3(PO4)2, TCP)的水解过程和水解产物的影响. XRD及IR实验结果表明, TCP在NaF溶液中的水解产物为羟基磷灰石(Ca10(PO4)6(OH)2,HAP)和氟基磷灰石(Ca10(PO4)6F2,FAP)的混合物. 氟离子浓度越高, FAP的含量越多. TCP水解过程的pH值变化随氟离子的起始浓度不同而不同. 氟离子浓度越高, pH值越低. TCP在CeCl3溶液中的水解产物为铈取代的羟基磷灰石(CexCa10-y(PO4)6-z(OH)2, Ce-HAP). 溶解实验表明, 氟处理比铈处理更有效地增强了TCP水解产物的抗酸性. 当F-浓度为0.1%或Ce3+浓度为5×10-2%时, TCP水解产物的抗酸性最强.
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