|
Proximate and ultimate analyses and total Se concentrations of different ranks of coals |
||||
| % |
Bituminous coal |
Anthracite |
Cokeite |
|
|
|
||||
| Ultimate analyses |
Carbon |
78.1 |
81.3 |
86 |
| Hydrogen |
4.64 |
3.52 |
1.77 |
|
| Nitrogen |
0.92 |
0.95 |
0.56 |
|
| Sulfur |
0.48 |
0.25 |
0.48 |
|
| Proximate analyses |
Moisture |
1.26 |
2.15 |
5.41 |
| Volatile matter |
24.64 |
12.06 |
4.75 |
|
| Ash |
14.51 |
13.14 |
6.94 |
|
| Fixed carbon |
59.57 |
72.69 |
82.58 |
|
Zhang et al. Geochemical Transactions 2007 8:14 doi:10.1186/1467-4866-8-14 |
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