Table 2 Physical properties and chemical composition (oxide percent) of the materials used in this investigation.
Material | LOI (%) | SiO2 (%) | Al2O3 (%) | Fe2O3 (%) | CaO (%) | MgO (%) | TiO2 (%) | K2O (%) | Na2O (%) | Surface area (cm2/g) | Specific gravity |
|---|---|---|---|---|---|---|---|---|---|---|---|
Taftan andesite | 1.85 | 61.67 | 15.90 | 4.32 | 7.99 | 2.04 | 0.44 | 2.12 | 3.21 | 3,836 | 2.22 |
Shahindej dacite | 10.28 | 70.13 | 11.11 | 1.27 | 2.52 | 0.92 | 0.14 | 2.25 | 1.01 | 10,621 | 2.20 |
Shahindej dacite-800 °C | 5.78 | 73.44 | 11.88 | 1.30 | 2.55 | 0.98 | 0.15 | 2.30 | 1.10 | 5,500 | 2.25 |