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Overview EN ISO 14647:2016 (ISO 14647:2000) specifies the nitric acid vapour test for determination of porosity in gold coatings on metal substrates. It defines apparatus, reagents, safety considerat…
Overview ISO 14647:2000 specifies a standardized nitric acid vapour test for determining porosity in gold metallic coatings on metal substrates. The method is intended primarily for electrodeposits a…
