Formation of Hydroxyapatite from Mechanochemically Treated β-Tricalcium Bis (Orthophosphate) |
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| Journal | Key Engineering Materials (Volumes 317 - 318) |
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| Volume | The Science of Engineering Ceramics III |
| Edited by | T. Ohji, T. Sekino and K. Niihara |
| Pages | 781-784 |
| DOI | 10.4028/www.scientific.net/KEM.317-318.781 |
| Citation | Motoki Kaneno et al., 2006, Key Engineering Materials, 317-318, 781 |
| Online since | August, 2006 |
| Authors | Motoki Kaneno, Kiyoko Sakamoto, Shunro Yamaguchi, Katsuaki Suganuma |
| Keywords | Grinding, Hydrolysis, Hydroxyapatite (HA), Mechanochemistry, Mortar Grinder, Tricalcium bis (Orthophosphate)(β-TCP) |
| Abstract | β-tricalcium bis (orthophosphate) [Ca3(PO4)2] (β-TCP) was mechanochemically treated with mortar grinder. The ground β-TCP was hydrolyzed in an aqueous ammonium solution (pH=11.0) at 90 to give Ca-deficient HAp involving small amount of CO3 2- ions. With an increase in grinding time of β-TCP, it was hydrolyzed easily. Well-crystalline Ca-deficient HAp was obtained after grinding of β-TCP for 7 hours and the successive hydrolysis. |
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