温度和pH值对羟基磷灰石粉体合成的影响

硅酸盐通报 , 2003, 22(2): 7-10. doi: 10.3969/j.issn.1001-1625.2003.02.002

温度和pH值对羟基磷灰石粉体合成的影响

宋云京 ^1, , 李木森 ^2, , 温树林 ^3, , 姜庆辉 ^4, , 宿庆财 ^5,

1.山东大学材料科学与工程学院,济南,250062;山东电力研究院,济南,250002

2.山东大学材料科学与工程学院,济南,250062

3.山东大学材料科学与工程学院,济南,250062

4.山东大学材料科学与工程学院,济南,250062

5.山东大学材料科学与工程学院,济南,250062

关键词：羟基磷灰石 , 液相沉淀法 , 温度 , pH值

Effect of Temperature and pH Value on the Preparation of Hydroxyapatite Powder

用液相沉淀法制备羟基磷灰石粉体,研究了温度和pH值对羟基磷灰石粉体合成的影响,结果表明:制备的羟基磷灰石粉体纯度较高,随着温度的增加其晶化程度增加,当pH值等于4.5,9和12.4时,制备的粉体分别为β-Ca2P2O7,HA+β-TCP和HA.TEM结果表明:羟基磷灰石沉淀颗粒形态呈针状或条状,其直径约10～20nm,长约100～200nm,当羟基磷灰石粉体加热至900℃时,颗粒发生团聚,晶粒长大,其尺寸约为200～400nm.

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温度和pH值对羟基磷灰石粉体合成的影响

Effect of Temperature and pH Value on the Preparation of Hydroxyapatite Powder

参考文献