Elements (wt%) | Raw ilmenite | M1/800 | M2/800 | M3/800 | M4/800 | M1/1000 | M2/1000 | M3/1000 | M4/1000 | M1/1200 | M2/1200 | M3/1200 | M4/1200 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | 3.48 | 3.46 | 3.46 | 3.33 | 3.44 | 3.71 | 3.63 | 3.60 | 3.59 | 4.59 | 3.94 | 3.88 | 3.90 |
TiO2 | 49.18 | 47.28 | 46.57 | 45.60 | 46.89 | 48.03 | 47.23 | 46.73 | 47.52 | 47.70 | 48.18 | 47.95 | 48.03 |
Al2O3 | 1.18 | 1.24 | 1.11 | 1.11 | 1.19 | 1.27 | 1.25 | 1.19 | 1.28 | 1.47 | 1.37 | 1.36 | 1.19 |
Fe2O3 (T) | 43.71 | 42.50 | 41.85 | 41.03 | 42.17 | 43.03 | 42.53 | 41.89 | 42.58 | 42.70 | 42.80 | 42.62 | 42.85 |
MnO | 0.85 | 0.81 | 0.80 | 0.78 | 0.81 | 1.05 | 0.82 | 0.80 | 0.81 | 0.83 | 0.83 | 0.82 | 0.83 |
MgO | 0.80 | 0.78 | 0.76 | 0.75 | 0.79 | 0.81 | 0.82 | 0.81 | 0.81 | 0.86 | 0.86 | 0.85 | 0.80 |
CaO | 0.16 | 0.20 | 0.18 | 0.19 | 0.18 | 0.21 | 0.21 | 0.21 | 0.20 | 0.36 | 0.27 | 0.24 | 0.25 |
Na2O | 0.01 | 0.05 | 0.05 | 0.04 | 0.05 | 0.06 | 0.05 | 0.05 | 0.05 | 0.09 | 0.05 | 0.05 | 0.06 |
K2O | 0.03 | 0.12 | 0.12 | 0.13 | 0.13 | 0.12 | 0.12 | 0.14 | 0.12 | 0.20 | 0.15 | 0.18 | 0.15 |
P2O5 | 0.09 | 0.10 | 0.10 | 0.09 | 0.09 | 0.10 | 0.09 | 0.09 | 0.09 | 0.09 | 0.10 | 0.09 | 0.10 |
V2O5 | 0.21 | 0.21 | 0.20 | 0.21 | 0.21 | 0.22 | 0.21 | 0.21 | 0.22 | 0.20 | 0.21 | 0.21 | 0.21 |
Cr2O3 | 0.06 | 0.07 | 0.06 | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
Co3O4 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
CuO | < 0.005 | < 0.005 | < 0.005 | < 0.005 | < 0.005 | < 0.005 | 0.005 | < 0.005 | < 0.005 | < 0.005 | < 0.005 | < 0.005 | < 0.005 |
NiO | < 0.003 | < 0.003 | < 0.003 | < 0.003 | < 0.003 | 0.010 | 0.004 | 0.005 | < 0.003 | 0.003 | 0.004 | < 0.003 | < 0.003 |
LOI | 1.61 | 1.30 | 4.03 | 5.02 | 2.00 | 0.02 | 1.96 | 2.67 | 0.78 | 0.05 | 0.04 | 0.06 | 0.05 |
Total | 101.38 | 98.13 | 99.30 | 98.35 | 98.02 | 98.72 | 99.00 | 98.47 | 98.12 | 99.21 | 98.87 | 98.38 | 98.49 |