Sample | Cd/% | Hd/% | Od/% | Nd/% | Sd/% | C: N/% |
Lignite | 63.27 | 4.56 | 22.22 | 1.28 | 0.32 | 49.43 |
Wheat straw | 46.22 | 6.03 | 38.70 | 0.51 | 0.16 | 90.63 |