Electrode Potential Calculator

Calculate Reduction and Oxidation Potentials

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Standard Reduction Potential Calculator

Calculate reduction potential using standard values and conditions.

Standard Reduction Potential: - V

Non-Standard Reduction Potential Calculator

Calculate reduction potential under non-standard conditions.

Reduction Potential: - V

pH-Dependent Potential Calculator

Calculate potential for reactions involving H⁺ ions.

Potential: - V

Mixed Potential Calculator

Calculate mixed potential for coupled half-reactions.

Mixed Potential: - V

Understanding Electrode Potentials

What are Electrode Potentials?

Electrode potentials measure the tendency of species to undergo reduction or oxidation. Key concepts include:

  • Standard reduction potentials
  • Reference electrodes
  • Half-reactions
  • Electrochemical series
  • Potential differences

Types of Electrodes

Common electrode types:

  • Metal electrodes
  • Gas electrodes
  • Ion-selective electrodes
  • Reference electrodes
  • Composite electrodes

Influencing Factors

Important parameters include:

  • Temperature
  • Concentration
  • pH
  • Pressure
  • Surface conditions
  • Ionic strength

Applications

Electrode potentials are used in:

  • Corrosion studies
  • Battery design
  • Electroplating
  • Analytical chemistry
  • Sensor development
  • Materials science

Advanced Concepts

Related topics include:

  • Butler-Volmer kinetics
  • Exchange currents
  • Overpotential
  • Double layer effects
  • Electrode kinetics

Essential Electrode Potential Formulas

Nernst Equation

E = E° - (RT/nF)ln(ared/aox)

pH Dependence

E = E° - (0.059/n)pH

Mixed Potential

icorr = i0,a = i0,c