
Metallic coatings. Determination of porosity in gold coatings on metal substrates. Nitric acid vapour test.
STANDARD published on 31.5.2016
Designation standards: BS EN ISO 14647:2016
Publication date standards: 31.5.2016
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Category: Technical standards BS
The nitric acid test is not suitable for gold coatings less than 0,6 micrometres thick, for coatings less noble than gold or platinum, or for gold-flashed palladium and its alloys Status: Definitive