Consequences of Fluoride Incorporation on Properties of Apatites

Abstract:

Fluoride, when incorporated in the apatite, stabilizes the structure. The purpose of this study was to determine the consequences of fluoride (F) substitution on the physico-chemical properties of apatites. F-containing apatites were prepared by precipitation or by hydrolysis of CaHPO4 in solutions containing different F concentrations and characterized using x-ray diffraction, FT-IR spectroscopy, scanning electron microscopy, thermogravimetry and chemical analyses. Results showed that F incorporation have the following effects: (a) decrease in a-axis dimension, (b) increase in crystal size and thickness, (c) decrease in calcium deficiency, and (d) lower solubility.

• Periodical: Key Engineering Materials (Volumes 309-311)
• Pages: 697-700
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.309-311.697
• Online since: May 2006
• Authors: Racquel Z. LeGeros, Dindo Q. Mijares, Fang Yao, John P. LeGeros, T. Bromage, V. La, Q. Xi, Samar Tannous, Regina Kijkowska
• Keywords: Apatite, Dissolution, Fluoride, FT-IR, Morpholoy, X-Ray Diffraction (XRD)

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