Official Journal of the Japan Wood Research Society
Table 3 The weight fraction and atomic fraction of Si in the surface and cross-section of the unmodified and modified wood
From: Thermal insulation and hydrophobization of wood impregnated with silica aerogel powder
Samples | Surface | Cross-section | ||
|---|---|---|---|---|
Weight (%) | Atomic (%) | Weight (%) | Atomic (%) | |
Control | 0.12 | 0.06 | 0.01 | 0.01 |
S-40-1 | 1.90 | 0.97 | 1.77 | 0.90 |
S-40-3 | 3.84 | 1.98 | 2.31 | 1.18 |
S-40-5 | 4.65 | 2.42 | 5.34 | 2.78 |
S-20-1 | 4.52 | 2.32 | 1.30 | 0.66 |
S-20-3 | 6.98 | 3.64 | 6.01 | 3.13 |
S-20-5 | 8.26 | 4.37 | 7.83 | 4.15 |