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Formation of Hydroxyapatite from Mechanochemically Treated β-Tricalcium Bis (Orthophosphate)

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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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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

781-784

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.781

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Online since:

August 2006

Authors:

Motoki Kaneno, Kiyoko Sakamoto, Shunro Yamaguchi, Katsuaki Suganuma

Keywords:

Grinding, Hydrolysis, Hydroxyapatite (HAP), Mechanochemistry, Mortar Grinder, Tricalcium bis (Orthophosphate)(β-TCP)

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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DOI: 10.1023/a:1014316401945

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