Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Values of different parameters obtained in the thermal analysis of the crystallization of ACP into HAp at different heating rates: temperature at which the onset of crystallization occurred (Tc), crystallization peak temperature (Tp) and the phase transition enthalpy (ΔH).
| Heating rate (°C/min) | Tc (°C) | Tp (°C) | ΔH (kJ/g) |
|---|---|---|---|
| 5 | 628.9 ± 0.4 | 639.5 ± 0.3 | 1.22 |
| 10 | 636.3 ± 0.3 | 649.6 ± 0.3 | 1.38 |
| 20 | 646.2 ± 0.3 | 660.8 ± 0.4 | 1.36 |
| 50 | 660.9 ± 0.4 | 676.2 ± 0.4 | 1.40 |
