期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 92, 期 10, 页码 2207-2211出版社
WILEY
DOI: 10.1111/j.1551-2916.2009.03221.x
关键词
-
资金
- Council of Scientific and Industrial Research (CSIR), India
Single-phase calcium hydroxyapatite (HAP) was synthesized by a sol-gel route using calcium nitrate solution and ammonium dihydrogen phosphate solution as Ca and P sources and alginic acid as a chelating agent. The dried gel was heat-treated at different temperatures in the range of 110 degrees-900 degrees C. Structural evolution from sol to gel and from the gel to HAP was studied by the powder X-ray diffraction method, Infrared spectroscopy, and thermal analyses. The formation temperature of HAP was confirmed to be similar to 300 degrees C. Examination of the product obtained at 300 degrees C under TEM suggested the development of hexagonal-shaped nanoparticles, with the average particle size in the range of 50-100 nm.
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