Table 2. Lignin Samples and Composition.
| dry matter | ash | acid-insoluble lignin | acid-soluble lignin | total lignin | |
|---|---|---|---|---|---|
| sample | wt % | wt %dry | wt %dry | wt %dry | wt %dry |
| ASL1 | 94.7% | 2.7% | 82.4% | 5.7% | 88.0% |
| ASL2 | 94.7% | 2.3% | 77.3% | 6.8% | 84.1% |
| ASL3 | 95.1% | 1.6% | 80.2% | 10.7% | 91.0% |
| SSL1 | 94.9% | 1.4% | 88.6% | 5.2% | 93.8% |
| SSL2 | 96.8% | 0.1% | 91.4% | 4.5% | 95.9% |
| SSL3 | 97.2% | 11.9% | 74.6% | 7.6% | 82.3% |
| SKL1 | 95.4% | 0.9% | 91.7% | 3.1% | 94.7% |
| SKL2 | 96.3% | 1.0% | 91.0% | 3.8% | 94.8% |
| SKL3 | 95.8% | 0.3% | 93.5% | 3.5% | 97.0% |
| SOL | 95.9% | 0.2% | 98.7% | 1.4% | 100.1% |
| AL | 96.3% | 17.0% | 63.5% | 18.8% | 82.3% |