Standard Electrode Potentials: S2O8²⁻ + 2 e ⇌ 2 SO4²⁻ to Zn²⁺ + 2 e ⇌ Zn
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) |
|---|---|
| S2O8²⁻ + 2 e ⇌ 2 SO4²⁻ | 2.01 |
| Sn(OH)₆²⁻ + 2 e ⇌ HSnO₂⁻ + 3 OH⁻ + H₂O | -0.93 |
| Th(OH)₄ + 4 e ⇌ Th + 4 OH⁻ | -2.48 |
| U³⁺ + 3 e ⇌ U | -1.66 |
| Zn²⁺ + 2 e ⇌ Zn | -0.7618 |
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