Historical
ISO 4524-4:1985
Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 4 : Determination of gold content
Applies to coatings for engineering, and decorative and protective purposes. Specifies general, removal of gold coating from basis metal and undercoats, fire assay, spectrophotometric and atomic absorption spectrometric methods and test report.
International Organization for Standardization [iso]
