Sample | Secondary Heating Process | Length of Stay | Adopted Designation |
0 | - | - | 0 |
1 | 1000˚C - 1200˚C | 1 hour | 1-1200-1 |
2 | 1000˚C - 1200˚C | 5 hours | 2-1200-5 |
3 | 1000˚C - 1250˚C | 1 hour | 3-1250-1 |
4 | 1000˚C - 1250˚C | 5 hours | 4-1250-5 |