Table 3: The crystallinity of untreated and NMMO treated pinewood powder using FTIR and X-ray spectroscopy.

Untreated1 h treated3 h treated15 h treated

FTIR
 LOI ( )1.061.131.051.00
 TCI ( )1.101.081.161.21
 Lignin/cellulose ( / 0.940.990.830.55
X-ray diffraction0.800.710.590.49