采用四水硝酸钙和磷酸氢二铵的混合物为前驱体,以丙酰胺(PA)为沉淀剂来控制溶液的过饱和度,经水热均相法处理成功制备了高结晶度、形貌均一、分散性良好的纤维状羟基磷灰石(HA)粉体.通过X射线衍射(XRD)、傅里叶红外光谱(FT-IR)、扫描电镜(SEM)和透射电镜(TEM)对所制备的HA进行了表征,研究了初始pH值和前驱体浓度对HA形貌、组成、结晶度及生长习性的影响.结果表明:初始pH值较低时有利于纤维状HA粉体的形成,前驱体浓度较低时则能促进纤维的宽化；但是初始pH值和前驱体浓度对产物的晶体结构、组成及结晶度影响不大.
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