THERMAL ANALYSIS ON HYDROXYAPATITE SYNTHESIS THROUGH MECHANOCHEMICAL METHOD

Alqap, A.S.F. and S. , Adzila and I., Sopyan and M. , Hamdi and S. , Ramesh (2011) THERMAL ANALYSIS ON HYDROXYAPATITE SYNTHESIS THROUGH MECHANOCHEMICAL METHOD. In: IFMBE Proceedings BIOMED 2011, 5th Kuala Lumpur International Conference on Biomedical Engineering 2011. Springer, Kuala Lumpur, Malaysia, pp. 108-111. ISBN 978-3-642-21728-9

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Abstract

Abstract— Thermal analysis of hydroxyapatite formation through dry mechanochemical method has been studied. Thealcium phosphate was synthesized using calcium hydroxideand di-ammonium hydrogen phosphate as the precursors. The ball milling of 1/6 ball-powder mass ratio was employed onmixtures of calcium hydroxide and di-ammonium hydrogenphosphate in three different speeds 170, 270 and 370 rpm for 5 h. As ball-milled powders were then sintered at 1150, 1250nd 1350o C for 2 h, then subjected to TGA, XRD and FTIR forphase characterization. Calcium phosphates with ammoniumare phases of the material. The ammonium is trace of phosphorus precursor. Choosing condition of the process and typeof precursors determines type of reactions and its products.

Item Type: Book Section
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Math & Natural Science > Department of Chemistry Science
Depositing User: 001 Bambang Gonggo Murcitro
Date Deposited: 06 Nov 2014 01:46
Last Modified: 06 Nov 2014 01:46
URI: http://repository.unib.ac.id/id/eprint/9353

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