Elemental analysis of the PSf membrane and PSf-SHPCSb membrane surfaces.
| Samples | C (%) | N (%) | O (%) | S (%) | |||
|---|---|---|---|---|---|---|---|
| C–C | C–O | C–N | C O | ||||
| PSf | 68.53 | 12.33 | — | — | 0 | 16.57 | 2.57 |
| PSf-AA | 45.70 | 16.93 | — | 7.93 | 0 | 27.37 | 2.07 |
| PSf-SHPCSb | 48.67 | 17.04 | 0.98 | 2.43 | 2.98 | 24.88 | 3.02 |
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