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EDX surface mapping result for the as spun hollow fiber membranes.
| Membrane | Trace Element (at %) | ||||
|---|---|---|---|---|---|
| Carbon (C) | Oxygen (O) | Sulphur (S) | Silicon (Si) | Nitrogen (N) | |
| PSF | 79.84 | 17.88 | 2.28 | Not detected | Not detected |
| PSF-1PDMS | 79.67 | 15.41 | 3.32 | 1.60 | Not detected |
| PSF-3PDMS | 78.60 | 15.71 | 2.97 | 2.72 | Not detected |
| PSF-5PDMS | 70.57 | 23.14 | 1.55 | 4.74 | Not detected |
| PSF-1PEBAX | 79.66 | 15.34 | 3.44 | Not detected | 1.56 |
| PSF-3PEBAX | 78.83 | 15.60 | 2.98 | Not detected | 2.59 |
| PSF-5PEBAX | 71.95 | 21.27 | 1.80 | Not detected | 4.98 |
