Table 2.
OH-group contents obtained for WS OSL and solubility-based fractions thereof after phosphitylation using 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane.
| Entry | Sample | Aliphatic OH (mmol/g) | Aromatic OH (mmol/g) | Acidic OH (mmol/g) | Total OH (mmol/g) | ||
|---|---|---|---|---|---|---|---|
| Siringyl | Guaiacyl | p-hydroxy | |||||
| 1 | WS-OSL | 1.31 | 0.63 | 0.59 | 0.27 | 1.48 | 4.28 |
| 2 | WS-ASOL-SOX | 1.38 | 0.85 | 0.82 | 0.31 | 1.99 | 5.35 |
| 3 | WS-AIOL-SOX | 1.15 | 0.64 | 0.39 | 0.21 | 1.24 | 3.63 |
| 4 | WS-MSAIOL-SOX (LCC-fraction) | 2.82 | 0.66 | 0.67 | 0.30 | 1.63 | 6.08 |
| 5 | WS-MIAIOL-SOX | 1.11 | 0.37 | 0.38 | 0.20 | 0.95 | 3.01 |