Table 1.
Gravimetric determination of soluble and insoluble lignin content.
| pH | Insoluble Lignin (% w/w) | Soluble Lignin (% w/w) |
|---|---|---|
| 4.5 | 93.6 | 6.4 |
| 7 | 55.1 | 44.9 |
| 8 | 39.8 | 60.2 |
| 9 | 27.8 | 72.2 |
| 10 | 1.8 | 98.2 |
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