Table 4.
Estimation of wood acidity as a function of pH-value of wood-phosphate solutions.
| Black pine | Chestnut | Alder | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | V/mL | mx/g | mmol/100 g | pH | V/mL | mx/g | mmol/100 g | pH | V/mL | mx/g | mmol/100 g |
| 8.78 | 1.9820 | 1.0059 | 15.49† | 8.715 | 2.3614 | 0.1498 | 61.18† | 8.763 | 2.0772 | 1.5297 | 9.68† |
| 8.647 | 2.8075 | 1.5016 | 15.87 | 8.576 | 3.3368 | 0.2489 | 76.01 | 8.673 | 2.6304 | 2.0236 | 10.05 |
| 8.529 | 3.7283 | 2.0215 | 16.35 | 8.437 | 4.6052 | 0.3994 | 79.13 | 8.598 | 3.1690 | 2.5155 | 10.15 |
| 8.449 | 4.4818 | 2.4981 | 16.24 | 8.334 | 5.7905 | 0.5483 | 79.26 | 8.525 | 3.7677 | 3.1660 | 9.95 |
| 8.365 | 5.4087 | 3.1080 | 16.04 | 8.264 | 6.7404 | 0.6974 | 75.93 | 8.481 | 4.1711 | 3.5751 | 9.93 |
| 8.309 | 6.1153 | 3.5011 | 16.26 | 8.192 | 7.8575 | 0.8465 | 75.75 | 8.424 | 4.7421 | 4.0781 | 10.03 |
| 8.254 | 6.8867 | 4.0128 | 16.10 | 8.127 | 9.0021 | 0.9912 | 76.24 | 8.340 | 5.7148 | 5.0634 | 9.98 |
| 8.206 | 7.6283 | 4.4847 | 16.06 | 8.075 | 10.020 | 1.1486 | 74.66 | 8.204 | 7.6607 | 7.0145 | 9.96 |
| 8.115 | 9.2286 | 5.5042 | 16.00 | ||||||||
|
| |||||||||||
| Avg: | 16.11 | Avg: | 76.7 | Avg: | 10.1 | ||||||
†Not included into the average calculation.