widely used ones ''(Tables 7.1 and 7.2)''.

The following precious metal electrolytes are the most important ones:

*'''Gold electrolytes''' For functional and decorative purposes pure gold, hard gold, low-karat gold, or colored gold coatings are deposited. Depending on the requirements, acidic, neutral, or cyanide electrolytes based on potassium gold cyanide or cyanide free and neutral electrolytes based on gold sulfite complexes are used.