Paper Title:
Effect of Phosphate Precursor on the Production of Hydroxyapatite from Crocodile Eggshells
  Abstract

The hydrothermal reaction at 250°C between crocodile eggshells and three phosphate precursors, (NH4)2HPO4, Ca3(PO4)2 and H3PO4 were studied. Only (NH4)2HPO4 and Ca3(PO4)2 precursors gave monophasic hydroxyapatite within 25 and 8 h, respectively. Pure hydroxyapatite could not be produced when using H3PO4. The characteristic vibration for PO43- are observed at 566-603, 1043-1093, 962-963 and 466-474 cm-1 and for OH- group at 3570-3572 and 633-634 cm-1. The morphology of the prepared hydroxyapatite is agglomerated plate-like crystals. The Ca/P ratio by ICP method is 1.62-1.64.

  Info
Pages
31-37
DOI
10.4028/www.scientific.net/JBBTE.5.31
Citation
U. Boonyang, P. Chaopanich, A. Wongchaisuwat, P. Senthongkaew, S. Siripaisarnpipat, "Effect of Phosphate Precursor on the Production of Hydroxyapatite from Crocodile Eggshells", Journal of Biomimetics, Biomaterials and Tissue Engineering, Vol. 5, pp. 31-37, 2010
Online since
February 2010
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