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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 2 Comparison of the effects of the thermal modification temperature using Duncan’s test on the L* change process

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

Temperature (°C) (1) 83.4 (2) 76.4 (3) 63.3 (4) 39.0 (5) 65.9 (6) 52.4 (7) 45.4 (8) 31.0
1 Spruce 20   0.000 0.000 0.000 0.000 0.000 0.000 0.000
2 160 0.000   0.000 0.000 0.000 0.000 0.000 0.000
3 180 0.000 0.000   0.000 0.009 0.000 0.000 0.000
4 210 0.000 0.000 0.000   0.000 0.000 0.000 0.000
5 Oak 20 0.000 0.000 0.009 0.000   0.000 0.000 0.000
6 160 0.000 0.000 0.000 0.000 0.000   0.000 0.000
7 180 0.000 0.000 0.000 0.000 0.000 0.000   0.000
8 210 0.000 0.000 0.000 0.000 0.000 0.000 0.000