Skip to main content

Official Journal of the Japan Wood Research Society

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