ISO 4524-6:1988 Preview
Metallic coatings -- Test methods for electrodeposited gold and gold alloy coatings -- Part 6: Determination of the presence of residual salts
This standard was last reviewed and confirmed* in 2017.
*Therefore this version remains current
Specifies a method of boiling specimens in water of known electrical conductivity. Any increase in conductivity indicates residual salt and other conducting impurities.