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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 4 Comparison of the effects of the thermal modification temperature using Duncan’s test on the a* value change

From: Impact of thermal modification on color and chemical changes of spruce and oak wood

Temperature (°C) (1) 4.26 (2) 6.75 (3) 10.37 (4) 9.64 (5) 6.73 (6) 7.39 (7) 7.69 (8) 4.08
1 Spruce 20   0.000 0.000 0.000 0.000 0.000 0.000 0.429
2 160 0.000   0.000 0.000 0.943 0.014 0.000 0.000
3 180 0.000 0.000   0.002 0.000 0.000 0.000 0.000
4 210 0.000 0.000 0.002   0.000 0.000 0.000 0.000
5 Oak 20 0.000 0.943 0.000 0.000   0.015 0.000 0.000
6 160 0.000 0.014 0.000 0.000 0.015   0.130 0.000
7 180 0.000 0.000 0.000 0.000 0.000 0.130   0.000
8 210 0.429 0.000 0.000 0.000 0.000 0.000 0.000