F−-CO 3 2− interaction in IR spectra of fluoridated CO3-apatites
- 1 December 1983
- journal article
- research article
- Published by Springer Nature in Calcified Tissue International
- Vol. 35 (1) , 78-81
- https://doi.org/10.1007/bf02405010
Abstract
Spectroscopic properties of fluoridated CO3-apatites were studied by means of infrared (IR) absorption analysis. The peak of the IR band caused by CO 3 2− ions at 875 cm−1 shifted to a lower frequency with the degree of fluoridation. This result suggests that there is a significant interaction between F− and CO 3 2− ions in the apatite crystals. The interaction of both these ions is discussed with regard to the solubility behavior of fluoridated CO3-apatites in the acetate buffer solution at pH 4.0 and at 37°C. Solubility of these fluoridated CO3-apatites approached that of fluoridated hydroxyapatites at high fluoride content.Keywords
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