Component | Natural* | Modified (HCl)* | Modified (NaOH)* |
SiO2 | 34.19 | 35.70 | 34.10 |
MgO | 23.65 | 23.70 | 24.20 |
Al2O3 | 11.32 | 12.00 | 11.20 |
Fe2O3 | 9.03 | 9.20 | 9.70 |
Na2O | 0.00 | 0.00 | 3.10 |
TiO2 | 1.65 | 1.80 | 1.80 |
Cr2O3 | 0.78 | 0.90 | 0.80 |
NiO | 0.27 | 0.30 | 0.30 |
Cl | 0.00 | 0.10 | 0.00 |
CaO | 0.13 | 0.10 | 0.10 |
MnO | 0.05 | <0.10 | 0.10 |
V2O5 | 0.02 | <0.10 | <0.10 |
SO3 | 0.01 | - | - |
K2O | 0.01 | - | - |
ZnO | 0.01 | - | - |