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Mediators used for spectropotentiometry
| Mediator | εo (V vs SHE) |
|---|---|
| Hexaammineruthenium(III) chloride | −0.020 |
| Indigo carmine | −0.125 |
| Anthraquinone 1,5-disulfonic acid | −0.175 |
| Anthraquinone 2-sulfonic acid | −0.255 |
| Safranine O | −0.289 |
| 6,7-DPD1 | −0.390 |
| Methyl viologen | −0.449 |
