Table1.
planar spacing and intensities obtained from X-ray diffraction of heated samples, the results are compared with the standard HAp (JCPDS)[14].
| d (nm) | Intensity | |||||
|---|---|---|---|---|---|---|
| Hkl | JCPDS | oC750 | oC850 | JCPDS | oC750 | o C 850 |
| 002 | 440/3 | 433/3 | 449/3 | 40 | 23 | 29 |
| 211 | 814/2 | 809/2 | 819/2 | 100 | 100 | 100 |
| 112 | 720/2 | 715/2 | 720/2 | 60 | 85 | 96 |
| 202 | 631/2 | 626/2 | 635/2 | 25 | 19 | 19 |
| 310 | 262/2 | 260/2 | 264/2 | 20 | 26 | 34 |
| 222 | 943/1 | 942/1 | 946/1 | 30 | 28 | 27 |
| 321 | 806/1 | 805/1 | 807/1 | 20 | 18 | 21 |
| 004 | 722/1 | 720/1 | 732/1 | 20 | 13 | 5 |
| 311 | 148/2 | 146/2 | 152/2 | 10 | 10 | 14 |
| 501 | 587/1 | 586/1 | 732/1 | 4 | 5 | 5 |
| 102 | 170/3 | 170/3 | 174/3 | 12 | 11 | 12 |
| Error | 1/110 × 10-3 | 9/892× 10-3 | 202/0 | 305/0 | ||