## Abstract Silicon‐containing hydroxyapatites were synthesized by the controlled crystallization method. Chemical analysis, N~2~ adsorption, Hg porosimetry, X‐ray diffraction, scanning electron microscopy‐energy‐dispersive X‐ray spectroscopy, and X‐ray photoelectron spectroscopy (XPS) were used to
Substitution of Iron in Preparation of Enhanced Thermal Property and Bioactivity of Hydroxyapatite
✍ Scribed by Meejoo, S.; Pon-On, W.; Charnchai, S.; Amornsakchai, T.
- Book ID
- 127290535
- Publisher
- Trans Tech Publications, Ltd.
- Year
- 2008
- Tongue
- English
- Weight
- 829 KB
- Volume
- 55-57
- Category
- Article
- ISSN
- 1662-8958
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The thermal stability of calcium hydroxyapatites (CaHAp) as prepared by traditional methods is quite low, with the preponderance of CaHAp being converted to Ca 3 (PO 4 ) 2 at temperatures as low as 973 K. In contrast, control of the pH during preparation markedly enhances the thermal stability of Ca
Calcium phosphate ceramic such as hydroxyapatite (HA) is good candidate for bone substitutes due to their chemical and structural similarity to bone minerals. The bone mineral consists of tiny hydroxyapatite crystals in the nanoregime. Nanostructured hydroxyapatite is also expected to have better bi