Standard Electrode Potentials: IO⁻ + H₂O + 2 e⁻ ⇌ I⁻ + 2 OH⁻ to PtO3 + 4 H⁺ + 2 e ⇌ Pt(OH)2²⁺ + H2O
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) |
|---|---|
| IO⁻ + H₂O + 2 e⁻ ⇌ I⁻ + 2 OH⁻ | 0.485 |
| Mg²⁺ + 2 e⁻ ⇌ Mg | -2.372 |
| NbO2 + 2 H⁺ + 2 e ⇌ NbO + H2O | -0.646 |
| P + 3 H₂O + 3 e ⇌ PH₃(g) + 3 OH⁻ | -0.87 |
| PtO3 + 4 H⁺ + 2 e ⇌ Pt(OH)2²⁺ + H2O | 1.5 |
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