Standard Electrode Potentials: (CN)2 + 2 H+ + 2 e ⇌ 2 HCN to Calomel electrode, 0.1 molar KCl
Standard reduction potentials (E° vs. SHE, 25°C, aqueous) for ~1,032 half-reactions covering elements from actinium to xenon plus common electrode systems (calomel). Used for corrosion potential calculations, electrochemical cell EMF, galvanic coupling analysis, and electroplating/electrolysis design.
| reaction | e standard V (V) |
|---|---|
| (CN)2 + 2 H+ + 2 e ⇌ 2 HCN | 0.373 |
| 2 SO₃²⁻ + 4 H⁺ + 2 e ⇌ S₂O₆²⁻ + H₂O | -0.22 |
| Ag₂C₂O₄ + 2 e ⇌ 2 Ag + C₂O₄²⁻ | 0.4647 |
| Au⁺ + e ⇌ Au | 1.692 |
| Calomel electrode, 0.1 molar KCl | 0.3337 |
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