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Preparation of calcium strontium hydroxyapatites by a new route involving calcium phosphate cements

Published online by Cambridge University Press:  31 January 2011

L. Leroux  and
J. L. Lacout
L. Leroux*
Affiliation:
Centre Interuniversitaire de Recherche et d'Ingeénierie des Mateériaux (CIRIMAT), CNRS-UMR No. 5085, INPT-ENSCT, Equipe de Physico-Chimie des Phosphates, 38, rue des 36 Ponts, 31400 Toulouse, France
J. L. Lacout
Affiliation:
Centre Interuniversitaire de Recherche et d'Ingeénierie des Mateériaux (CIRIMAT), CNRS-UMR No. 5085, INPT-ENSCT, Equipe de Physico-Chimie des Phosphates, 38, rue des 36 Ponts, 31400 Toulouse, France
*
a)Address all correspondence to this author. e-mail: leroux@cict.fr
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Abstract

A new route, based on the use of ionic calcium phosphate cements, has been developed to synthesize hydroxyapatite. Cements were prepared from tetracalcium phosphate, α–tricalcium phosphate, phosphoric acid, strontium nitrate, and water. They were then mixed and shaped. Cements with various amounts of strontium and different (Ca + Sr)/P atomic ratios were prepared. All the materials obtained were coherent and solid. When the amount of strontium was low, mixed hydroxyapatite was obtained at low temperatures. Mixed calcium strontium apatite was obtained after heating. This original method can be of interest in various fields such as biomaterials or the storage of radioactive waste.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 1 , January 2001 , pp. 171 - 178
Copyright
Copyright © Materials Research Society 2001

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