Electrorefining

Electrorefining

### Formula:

$$Impure\ Metal\rightarrow Pure\ Metal$$

### Terminologies:

- Electrorefining → Purification of metals using electrolysis.

- Impure Metal → Metal containing impurities.

- Pure Metal → Refined metal deposited at cathode.

### Usage:

- Used in purification of Cu, Ag, Au, Ni, etc.