DS DS/EN ISO 15721
DS DSEN SO 15721 2001-MAY-22 Metallc coatngs - Porosty tests - Porosty n gold or palladum coatngs by sulfurous acdsulfur doxde vapour
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This test method covers equipment and methods for determining the porosity of gold and palladium coatings, particularly electrodeposits and clad metals used on electrical contacts.