Filters types | Water volume (ml) | Column sample volume (ml) | Porosity (%) | Mean porosity (%) | ||||||
FS | 165 | 175 | 170 | 400 | 400 | 400 | 41.25 | 43.75 | 42.5 | 42.5 |
FG | 275 | 270 | 280 | 600 | 600 | 600 | 45.83 | 45.00 | 46.68 | 45.83 |
FGS | 170 | 185 | 165 | 500 | 500 | 500 | 34.00 | 37.00 | 33.00 | 34.68 |