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Comparison of the Current Density at Different Decouplers as Increased Noise Is Apparent at the Working Electrode
| decoupler type | limiting separation current (μA) | noise (pA) | current density (A/cm2) |
|---|---|---|---|
| 24 hole, laser etched | 30 | 1.4 | 0.255 |
| 10 hole, laser etched | 5 | 10 | 0.102 |
| Fracture | 5 | 1 | 0.212 |
| 300 μm, cast Nafion tube | 20 | 0.5 | 0.0212 |
| 500 μm, cast Nafion tube | 25 | 0.5 | 0.0283 |
| 1000 μm, cast Nafion tube | 30 | 0.5 | 0.0127 |
