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Selectivity values for salt/organic molecule separations
| Membrane | Glucose | Sucrose | PEG 400 | PEG 1000 | ||||
|---|---|---|---|---|---|---|---|---|
| Na+ | Ca2+ | Na+ | Ca2+ | Na+ | Ca2+ | Na+ | Ca2+ | |
| PVDF-PAA | 0.92 | 0.99 | 0.99 | 1.06 | 0.99 | 1.06 | 1.09 | 1.17 |
| PVDF-PAA-PAH | 0.92 | 0.63 | 1.13 | 0.78 | 1.55 | 1.06 | 3.35 | 2.30 |
| PVDF-PAA-PAH-OmpF-PSS | 0.92 | 0.33 | 2.97 | 1.07 | 3.21 | 1.16 | 6.45 | 2.33 |
| PVDF-PAA-PAH-PSS | 1.51 | 1.06 | 2.07 | 1.46 | 3.67 | 2.59 | 4.98 | 3.51 |
