Research Article
Chemometric Study of Trace Elements in Hard Coals of the Upper Silesian Coal Basin, Poland
Table 4
Parameters of hard coal samples of the Upper Silesian Coal Basin (USCB) analyzed with HCA.
| No. | Parameter | Unit |
| 1 | Total moisture, | [%] | 2 | Ash, | [%] | 3 | Volatiles, | [%] | 4 | Total sulfur, | [%] | 5 | Heat of combustion, |
[kJ/kg] | 6 | Calorific value, | [kJ/kg] | 7 | Carbon, | [%] | 8 | Pyritic sulfur, | [%] | 9 | Hg | [ppm] | 10 | As | [ppm] | 11 | Ba | [ppm] | 12 | Cd | [ppm] | 13 | Co | [ppm] | 14 | Cr | [ppm] | 15 | Cu | [ppm] | 16 | Mn | [ppm] | 17 | Ni | [ppm] | 18 | Pb | [ppm] | 19 | Rb | [ppm] | 20 | Sb | [ppm] | 21 | Sr | [ppm] | 22 | V | [ppm] | 23 | Zn | [ppm] |
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