Table 2.
Chemical composition of RHA.
| Element | SiO2 | K2O | Al2O3 | Fe2O3 | CaO | Others | LOI |
|---|---|---|---|---|---|---|---|
| (wt.%) | 90.58 | 0.82 | 0.06 | 0.03 | 0.02 | 0.02 | 8.47 |
LOI = Loss ignition, Others = Element containing TiO2, MgO, Na2O, and MnO.
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