What is the Difference Between Galvanic Series and Electrochemical Series?
🆚 Go to Comparative Table 🆚The key difference between the galvanic series and the electrochemical series lies in the criteria for their arrangement and the information they provide. Here are the main differences:
- Galvanic Series:
- Shows the order of nobility of metals and semimetals, which is a measure of their resistance to corrosion and oxidation in moist air.
- Based on the principle of galvanic corrosion, which occurs when two metals are submerged in an electrolyte while being electrically linked.
- The position of a metal in the series can vary according to environmental conditions.
- Can be applied to metals, nonmetals, and alloys.
- Electrochemical Series:
- Displays the order of standard electrode potentials of chemical elements.
- Based on the standard electrode potential relative to the standard hydrogen electrode potential.
- The position of a metal in the series has a fixed position.
- Can be applied to metals and nonmetals.
In summary, the galvanic series is focused on the corrosion resistance of metals and their alloys, while the electrochemical series is based on the standard electrode potentials of chemical elements. The position of a metal in the galvanic series can change depending on the environment, whereas the position of a metal in the electrochemical series is fixed.
Comparative Table: Galvanic Series vs Electrochemical Series
The key difference between the galvanic series and the electrochemical series is that the galvanic series shows the order of nobility of metals and semi-metals, which is their resistance to corrosion and oxidation in moist air, while the electrochemical series shows the order of standard electrode potentials of chemical elements. Here is a comparison table highlighting the differences between the two:
| Feature | Galvanic Series | Electrochemical Series |
|---|---|---|
| Purpose | Shows the order of nobility of metals and semi-metals | Shows the order of standard electrode potentials of chemical elements |
| Basis | Derived from galvanic corrosion of metals and alloys | Derived from the standard electrode potential relative to the standard hydrogen electrode potential |
| Measurement | Galvanic corrosion is measured | Electrode potential is measured by immersing the metal in an electrolyte |
| Application | Provides information on the potential for galvanic corrosion | Used to predict the spontaneity of chemical reactions and the choice of suitable electrode materials for electrochemical cells |
In summary, the galvanic series is focused on the corrosion resistance of metals and alloys, while the electrochemical series is concerned with the standard electrode potentials of chemical elements. The galvanic series is derived from galvanic corrosion, whereas the electrochemical series is derived from the standard electrode potential relative to the standard hydrogen electrode potential.
- Electrochemical Series vs Reactivity Series
- Electrochemical Cell vs Galvanic Cell
- Electrolytic vs Galvanic Cells
- Electrochemical Cell vs Electrolytic Cell
- Electroplating vs Electrolysis
- Electroplating vs Galvanisation
- Galvanic Cell vs Concentration Cell
- Electrolyte vs Electrolysis
- Ionization vs Electrolysis
- Voltaic Cell vs Electrolytic Cell
- Faradic vs Galvanic Current
- Electrode vs Electrolyte
- Photochemical vs Electrochemical Reaction
- Photocatalysis vs Electrocatalysis
- Electroforming vs Electroplating
- Electrophoresis vs Electroosmosis
- Metallic vs Electrolytic Conduction
- Parallel vs Series Circuits
- Electrophoresis vs Dielectrophoresis