Skip to main content

Table 5 Typical peak assignments for FTIR spectra of angiosperm wood (hardwood)

From: A review of analytical methods for assessing preservation in waterlogged archaeological wood and their application in practice

cm−1 Assignment Component Reference
898 C–H deformation Cellulose [91, 92]
Low MW carbohydrates [83]
1040 C–O stretch Cellulose/hemi-celluloses [91, 92]
1158-1162 C–O–C vibration (identified at 1116 by Emandi et al. [96]) Cellulose/hemi-celluloses [91, 92]
C–O vibration Lignin and xylan [96]
1230 C–O stretch (Methoxy) Lignin, some hemi-cellulose contribution [91, 96]
Cellulose [92]
1268 C–O stretch (ring) and methoxyl groups Lignin [91, 96]
1325 C–H and C–O vibrations Cellulose, syringyl groups in lignin [91, 96]
C–O vibrations Syringyl groups in lignin [92]
1375 C–H deformation Cellulose/hemicellulose [91, 92, 96]
1425 C–H deformation Cellulose and lignin [91, 92]
1462 C–H deformation Cellulose and lignin [91, 92]
1505 C=C aromatic Lignin [91, 92]
1596 C=C aromatic Lignin [91, 92]
Conjugated C-O vibration Lignin [96]
1738 C=O (acetyl) xylans Hemicellulose [91, 92]
  1. Peaks relating only to either lignin or cellulose can be used to infer their relative composition