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Functional groups corresponding to important bands in the FTIR spectrum of calcium phosphate derivatives.
| Wavenumber (cm−1) | Groups (samples) | Functional groups |
|---|---|---|
| 523–694 | G4 e G8 | PO43− (deformation) |
| 871 | G5 a G8 | CO32− (stretch) |
| 874 | G1 a G4 | CO32− (stretch) |
| 2513 | G1 a G8 | H-O-H (stretch) |
| 1647–3640 | G2 e G6 | H2O (deformation) |
| 3572–3939 | G1 a G8 | OH− (stretch) |
