Standard Electrode Potentials: O2 + 2 H2O + 4 e ⇌ 4 OH⁻
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) |
|---|---|
| O2 + 2 H2O + 4 e ⇌ 4 OH⁻ | 0.401 |
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