Table 3. Direct Ca/P, O/Ca and O(1s)II/O(1s) total ratio given by Lu HB et al.18.
| Sample | HAP | β -TCP | OCP | MCP | DCP | DCPD | bone |
|---|---|---|---|---|---|---|---|
| Ca/P |
1.48 |
1.35 |
1.24 |
0.5 |
1 |
0.98 |
1.49 |
| O/Ca |
2.76 |
2.72 |
3.4 |
10.38 |
4.3 |
5.4 |
3.2 |
| O(1s)II/O(1s)total | 0.065 | 0.072 | 0.053 | 0.008 | 0.037 | 0.02 | 0.055 |
HAP, hydroxyapatite: Ca10(OH)2(PO4)6; β-TCP, β-tricalcium phosphate: Ca3(PO4)2; OCP, octacalcium phosphate: Ca8H2(PO4)6; MCP, monobasic calcium phosphate: Ca(H2PO4)2; DCP, dibasic calcium phosphate: CaHPO4; DCPD, dibasic calcium phosphate dihydrate, brushite: CaHPO4.2H2O.