DS DS/EN ISO 15720
DS DSEN SO 15720 2001-MAY-14 Metallc coatngs - Porosty tests - Porosty n gold or palladum coatngs on metal substrates by gel-bulk electrography
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This test method covers equipment and techniques for determining porosity in noble metal coatings, particularly electrodeposits of gold, palladium and palladium-nickel alloy (70 % to 90 % palladium) and clad metals used on electrical contacts.