Wavenumbers (cm−1)

Assignments

references

Present work

Y. Wang et al. [13]

LN

LT

LN

LT

3424

3424

3430

3370

OH stretching

2925

2925

2920

2925

Saturated C-H stretching

2367

2367

2360

2360

C-O stretching of acetyl or Carboxylic acid

1733

1734

C=O stretching

1647

1647

1636

1636

OH deforming

1422

1434

1450

1455

Aromatic methyl group stretching (lignin)

1244

1383

1383

C-H in deforming

1164

1158

1160

1160

Antisym. bridge C-OR-C stretching (cellulose)

1045

1045

1062

1062

C-OR stretching (cellulose)

901

901

854

854

CH2 deforming