以Ca(NO3)2和(NH4)2HPO4为原料,应用超声化学法制备得到了尺寸约20nm×120nm、分散性良好的针状羟基磷灰石(HAp)纳米粉体.对比研究了超声化学法与传统的化学沉淀法对HAp粉体的结晶性能、Ca/P摩尔比和产率的影响.研究表明,与传统的化学沉淀法相比,超声化学法可以在较短的时间内显著地提高纳米HAp的合成效率、结晶度、Ca/P摩尔比和产率.
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