Table 3.
The roughness parameters of the membranes under study.
| Membrane | Root Mean Square | Average Roughness | Mean Difference between Peaks and Valleys |
|---|---|---|---|
| Sq (nm) | Sa (nm) | Sz (nm) | |
| M1 | 21.01 ± 0.21 | 16.25 ± 0.10 | 165.09 ± 25.94 |
| M2 | 17.76 ± 0.89 | 13.23 ± 0.62 | 179.30 ± 29.21 |
| M3 | 11.89 ± 0.22 | 9.39 ± 0.21 | 125.50 ± 17.73 |
| M4 | 33.86 ± 5.58 | 26.33 ± 3.82 | 271.66 ± 37.86 |
| M5 | 33.25 ± 1.53 | 26.30 ± 1.11 | 281.84 ± 44.83 |
| M6 | 91.90 ± 2.47 | 70.12 ± 0.84 | 753.38 ± 20.56 |
| M7 | 34.10 ± 6.33 | 25.91 ± 4.06 | 224.01 ± 30.01 |
| M8 | 30.61 ± 4.37 | 25.04 ± 3.22 | 186.19 ± 4.00 |
| M9 | 43.41 ± 15.69 | 32.82 ± 11.81 | 267.75 ± 3.39 |
| M10 | 194 ± 14.35 | 146 ± 10.15 | 1465 ± 30.80 |