Test item |
Average of B1 | Average of B2 | Average of B3 | Average of B4 | Average of B8 | Average of B9 | Clark value | Chinese coal | US coal | World coal |
---|---|---|---|---|---|---|---|---|---|---|
Aad% | 36.69 | 44.83 | 51.55 | 11.38 | 5.03 | 8.79 | nd | nd | nd | nd |
SiO2% | 22.16 | 25.98 | 23.94 | 4.74 | 0.85 | 3.10 | nd | 8.47 | 5.80 | nd |
Al2O3% | 7.76 | 11.06 | 10.07 | 2.73 | 0.75 | 1.64 | nd | 5.98 | 2.80 | nd |
Fe2O3% | 2.32 | 2.74 | 12.38 | 0.97 | 0.42 | 0.40 | nd | 4.85 | 1.90 | nd |
CaO% | 1.14 | 1.17 | 1.15 | 1.12 | 1.76 | 1.97 | nd | 1.23 | 0.64 | nd |
MgO% | 1.01 | 0.92 | 1.08 | 0.28 | 0.29 | 0.46 | nd | 0.22 | 0.18 | nd |
K2O% | 0.97 | 1.10 | 1.01 | 0.25 | 0.01 | 0.17 | nd | 0.19 | 0.22 | nd |
Na2O% | 0.25 | 0.13 | 0.25 | 0.07 | 0.03 | 0.03 | nd | 0.16 | 0.11 | nd |
P2O5% | 0.34 | 0.55 | 0.53 | 0.11 | 0.03 | 0.07 | nd | 0.092 | 0.098 | nd |
Li | 0.20 | 0.18 | 0.11 | 0.61 | 1.08 | 1.05 | 20.00 | 31.80 | 16.00 | 12.00 |
Be | 0.76 | 0.11 | 0.13 | 0.12 | 0.27 | 0.07 | 2.80 | 2.11 | 2.20 | 1.60 |
V | 10.20 | 6.32 | 3.62 | 13.22 | 9.60 | 10.40 | 135.00 | 35.10 | 22.00 | 25.00 |
Cr | 8.29 | 5.04 | 4.09 | 6.54 | 5.86 | 5.02 | 100.00 | 15.40 | 15.00 | 16.00 |
Mn | 194.13 | 79.05 | 42.03 | 36.50 | 42.44 | 87.30 | 950.00 | nd | nd | 85.00 |
Co | 6.26 | 1.03 | 5.35 | 0.87 | 10.43 | 5.24 | 25.00 | 7.08 | 6.10 | 5.10 |
Ni | 3.95 | 2.87 | 6.16 | 3.54 | 6.29 | 6.59 | 75.00 | 13.70 | 14.00 | 13.00 |
Cu | 9.34 | 10.30 | 8.69 | 12.60 | 8.37 | 8.70 | 55.00 | 17.50 | 16.00 | 16.00 |
Zn | 8.00 | 2.20 | 1.56 | 5.04 | 3.04 | 4.41 | 70.00 | 41.40 | 53.00 | 23.00 |
Ga | 7.03 | 9.54 | 0.92 | 7.34 | 3.94 | 4.10 | 15.00 | 6.55 | 5.70 | 5.80 |
Rb | 0.34 | 0.37 | 0.18 | 1.33 | 1.39 | 1.24 | 90.00 | 9.25 | 21.00 | 14.00 |
Sr | 181.75 | 205.22 | 41.10 | 238.66 | 176.14 | 257.62 | 375.00 | 140.00 | 130.00 | 110.00 |
Ag | 0.02 | 0.03 | 0.05 | 0.05 | 0.03 | 0.02 | 0.08 | nd | nd | nd |
Cd | 0.04 | 0.03 | 0.02 | 0.05 | 0.03 | 0.03 | 0.20 | 0.25 | 0.47 | 0.20 |
Cs | 1.01 | 0.03 | 0.01 | 0.14 | 0.12 | 0.03 | 3.00 | 1.13 | nd | 1.00 |
Ba | 154.56 | 268.00 | 15.44 | 192.04 | 94.44 | 108.33 | 425.00 | 159.00 | 170.00 | 150.00 |
Tl | 0.02 | 0.03 | 0.02 | 0.10 | 0.02 | 0.01 | 0.43 | 0.47 | 1.20 | nd |
Pb | 2.63 | 1.98 | 1.44 | 2.67 | 2.49 | 2.79 | 12.50 | 15.10 | 11.00 | 7.80 |
Bi | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.02 | 0.17 | 0.79 | <1.00 | nd |
U | 0.17 | 0.04 | 0.02 | 0.10 | 0.09 | 0.08 | 2.70 | 2.43 | 2.10 | 2.40 |
Sr/Ba | 1.18 | 0.77 | 2.66 | 1.24 | 1.87 | 2.38 | nd | nd | nd | nd |
V/Ni | 2.58 | 2.20 | 0.59 | 3.73 | 1.53 | 1.58 | nd | nd | nd | nd |
V/Zn | 1.28 | 2.87 | 2.32 | 2.62 | 3.16 | 2.36 | nd | nd | nd | nd |
Ni/Co | 0.63 | 2.79 | 1.15 | 4.07 | 0.60 | 1.26 | nd | nd | nd | nd |