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F−-CO 2−3 interaction in IR spectra of fluoridated CO3-apatites

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Summary

Spectroscopic properties of fluoridated CO3-apatites were studied by means of infrared (IR) absorption analysis. The peak of the IR band caused by CO 2−3 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 2−3 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.

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  1. Department of Dental Technology, Osaka University Dental School, 530, Osaka, Japan

    M. Okazaki

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  1. M. Okazaki
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Okazaki, M. F−-CO 2−3 interaction in IR spectra of fluoridated CO3-apatites. Calcif Tissue Int 35, 78–81 (1983). https://doi.org/10.1007/BF02405010

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