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The crystallinity of untreated and NMMO treated pinewood powder using FTIR and X-ray spectroscopy.
| Untreated | 1 h treated | 3 h treated | 15 h treated | |
|---|---|---|---|---|
| FTIR | ||||
| LOI (a 1421/a 898) | 1.06 | 1.13 | 1.05 | 1.00 |
| TCI (a 1375/a 2918) | 1.10 | 1.08 | 1.16 | 1.21 |
| Lignin/cellulose (a 1508/a 898) | 0.94 | 0.99 | 0.83 | 0.55 |
| X-ray diffraction | 0.80 | 0.71 | 0.59 | 0.49 |
