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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 2 C1s and O1s peak of different poplar samples

From: The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment

Element constitution Binding type Binding energy/eV Untreated Fibrosis veneers 160 °C/0.3 MPa 180 °C/0.3 MPa
C/% 74.26 75.82 76.91 83.15
O/% 24.92 23.15 22.45 16.01
O/C 0.34 0.31 0.29 0.19
C1/% C–C or C–H 284.8 48.38 52.37 57.04 77.26
C2/% C–O 286.5 41.48 37.74 33.26 11.51
C3/% O–C–O or C=O 288.0 8.11 7.89 7.20 5.33
C4/% O–C=O 289.2 2.03 2.00 2.50 5.90
C1/C2 1.17 1.39 1.71 6.71
COX/CUNOX 1.07 0.91 0.75 0.29
O1/% O–C=O 532.2 4.53 4.92 5.79 6.46
O2/% C–O–, C=O, C–O–C, O–C=O 534.35 95.47 95.08 94.21 93.54