Table 2 Cold water-soluble extractives of thermally modified wood of Salix tetrasperma (%).
From: Enhanced strength and chemical stability of Salix tetrasperma wood through thermal modification
Duration(h) Temperature (°C) | 2 h | 4 h | 6 h | Mean | SD | CV |
|---|---|---|---|---|---|---|
60 °C | 5.17 | 5.25 | 5.35 | 5.26 | 0.09 | 1.72 |
80 °C | 5.93 | 6.07 | 6.25 | 6.08 | 0.16 | 2.64 |
100 °C | 6.34 | 6.45 | 6.66 | 6.48 | 0.16 | 2.51 |
120 °C | 7.88 | 7.28 | 7.15 | 7.44 | 0.39 | 5.24 |
140 °C | 6.93 | 6.98 | 6.84 | 6.92 | 0.07 | 1.03 |
160 °C | 6.75 | 6.43 | 6.15 | 6.44 | 0.30 | 4.66 |
180 °C | 6.25 | 6.13 | 6.04 | 6.14 | 0.11 | 1.72 |
200 °C | 5.46 | 5.06 | 4.99 | 5.17 | 0.25 | 4.90 |
Control | 5.14 | 5.14 | 5.14 | 5.14 | ||
Mean | 6.21 | 6.09 | 6.06 |
CD0.05 | |
|---|---|
Temperature (T) | 0.32 |
Duration (D) | NS |
Temperature × Duration (T × D) | 0.56 |