Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 6: Determination of the presence of residual salts (ISO 4524-6:1988); German version EN ISO 4524-6:1994— 3 стр.
Metallic and other inorganic coatings - Electrodeposited gold and gold alloy coatings for electrical, electronic and engineering purposes - Specification and test methods (ISO 27874:2008); German version EN ISO 27874:2008— 32 стр.