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Estimated potential windows in 0.1 mol L−1 KCl (pH 6.5) for untreated and plasma treated SPCEs.
| Carbon Type | Untreated Potential Window (V) | Plasma Potential Window (V) |
|---|---|---|
| Alfa GC | 2.32 | 2.15 |
| Sigma GC | 2.91 | 2.50 |
| 3569 Graphite 2 | 2.47 | 1.95 |
| 3569 Graphite 1 | 3.36 | 2.08 |
| Carbon Black | 2.63 | 2.11 |
| Sigma Graphite | 2.45 | 1.93 |
