Table 1.
Chemical composition of fly ashes used.
| SiO2 | Fe2O3 | Al2O3 | TiO2 | CaO | MgO | P2O5 | Na2O | K2O | Others | |
|---|---|---|---|---|---|---|---|---|---|---|
| BFA | 25.8 | 0.5 | 8.5 | 0.3 | 15.2 | 9.5 | 6.2 | 7.4 | 8.5 | 18.1 |
| SFA | 51.6 | 6.6 | 22.9 | 0.9 | 3.8 | 2.2 | 0.6 | 0.7 | 1.9 | 8.8 |
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