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Official Journal of the Japan Wood Research Society

Table 3 Mean values for color parameters (and their standard deviations) of densified beech (Fagus sylvatica L.) and Norway spruce (Picea Abies L. Karst) veneer samples (L*: lightness; a*: red/green color coordinate; b*: yellow/blue color coordinate; C*: color saturation; : hue)

From: Effects of an innovative densification process on mechanical and physical properties of beech and Norway spruce veneers

Species Treatment L* a* b* C*
Beech Control 73.93 (0.58) 7.30 (0.38) 23.58 (0.75) 24.69 (0.82) 1.27 (0.01)
60 s 58.72 (1.17) 8.24 (1.17) 28.57 (1.40) 29.80 (1.28) 1.28 (0.07)
90 s 56.69 (2.62) 9.70 (2.62) 25.90 (1.15) 27.73 (0.71) 1.21 (0.08)
300 s 59.25 (1.72) 5.72 (1.72) 28.87 (1.40) 29.45 (1.29) 1.37 (0.03)
Norway spruce Control 80.75 (0.60) 2.93 (0.27) 21.14 (0.52) 21.34 (0.54) 1.43 (0.01)
60 s 65.82 (0.78) 4.11 (0.37) 34.46 (1.09) 34.71 (1.08) 1.45 (0.01)
90 s 65.70 (1.56) 4.35 (0.61) 35.82 (1.87) 36.09 (1.93) 1.45 (0.01)
300 s 64.09 (0.78) 4.63 (0.60) 34.50 (1.20) 34.82 (1.24) 1.43 (0.01)
480 s 63.59 (0.91) 4.56 (0.54) 33.28 (0.92) 33.60 (0.97) 1.43 (0.01)