Table 2 CI of celluloses determined by four different methods by the authors.
Cellulose tested | XRD method | Â | Â | NMR method |
|---|---|---|---|---|
| Â | Peak height | Peak deconvolution | Amorphous subtraction | C4 peak separation |
BMCC | 95.2 | 73.1 | 82.4 | 73.8 |
Avicel PH-101* | 91.7 ± 1.5 | 60.6 ± 1.0 | 77.7 ± 1.9 | 56.7 ± 2.2 |
SigmaCell 50 | 91.2 | 61.3 | 79.4 | 56.1 |
SigmaCell 20 | 84.8 | 64.2 | 67.0 | 52.6 |
JT Baker cellulose | 85.5 | 61.5 | 69.1 | 49.1 |
Fluka cellulose | 82.9 | 52.9 | 61.6 | 48.6 |
SolkaFloc cellulose | 78.3 | 56.8 | 57.2 | 43.9 |
Sigma α-cellulose | 78.0 | 55.9 | 54.4 | 41.5 |