| Value of the indicator | ||
| U0, V | R, kΩ | ρ·10−2, S/cm |
| Lignin, characterized by CaCl2 water solution content of 25 wt.% | ||
| 0 | 6.97 | 0.0287 |
| Lignin, characterized by CaCl2 water solution content of 33 wt.% | ||
| 0 | 3.05 | 0.066 |
| Lignin, characterized by CaCl2 water solution content of 50 wt.% | ||
| 0 | 1.28 | 0.156 |
| Lignin, characterized by CaCl2 water solution content of 60 wt.% | ||
| 0 | 0.85 | 0.235 |