Table 2. Molecular Weights and Polydispersity of Lignin under Different Conditions.
| entry | condition | alkali lignin (Mn/D̵) | organosolv lignin (Mn/D̵) | kraft lignin (Mn/D̵) |
|---|---|---|---|---|
| 1 | original lignin | 1500/5.9 | 1400/12.9 | 1500/7.7 |
| 2 | after initial condition | 600/2.6 | 600/2.6 | 650/2.4 |
| 3 | after optimized condition | 120/3.2 | 150/2.8 | 180/3.6 |