| 1:0 | 1:1 | 1:3 | 0:1 |
C | 70.35 | 71.95 | 69.11 | 71.61 |
H | 9.11 | 8.57 | 7.26 | 6.52 |
N | 8.55 | 5.47 | 4.99 | 1.42 |
S | 0.91 | 0.30 | 0.31 | 0.14 |
O | 11.08 | 13.71 | 18.33 | 20.31 |
HHV (MJ∙kg−1) | 34.73 | 34.11 | 31.05 | 30.61 |