Figure 2

Fourier transform infrared (FT-IR) spectra of the synthetic Cd-hydroxyapatite [Cd5(PO4)3OH] before (a) and after (b–f) dissolution at 25–45°C for 300 days.
Fourier transform infrared (FT-IR) spectra of the synthetic Cd-hydroxyapatite [Cd5(PO4)3OH] before (a) and after (b–f) dissolution at 25–45°C for 300 days.