Table 1.
Parameters used in the IR analysis of mineralized tissues
| Parameter | Region analyzed (cm−1) |
|---|---|
| Mineral (phosphate v1, v3)/matrix (amide I) peak area ratio | 900–1200/1585–1720 |
| Carbonate (v2)/phosphate (v1, v3) peak area ratio | 860–890/900–1200 |
| Carbonate (v2)/amide I peak area ratio | 860–890/1585–1720 |
| Fractional Carbonate A substitution | I872/860–890 |
| fractional Carbonate B substitution | I878/860–890 |
| Crystallinity | Peak area 1030/1020 or I1030/I1020 |
| Acid phosphate content | Peak area 1117/900–1200 or I1117/I960 |
| Collagen maturity | Peak area 1660/1686 or I1660/I1690 |
I = intensity at wavenumber indicated.