KS C IEC 62321-7-1-2017(2022) 電工產(chǎn)品中某些物質(zhì)的測定.第7-1部分:六價鉻.用比色法測定金屬上無色和有色防腐涂層中六價鉻(Cr(VI))的含量
Determination of certain substances in electrotechnical products — Part 7-1: Hexavalent chromium — Presence of hexavalent chromium(Cr(VI)) in colourless and coloured corrosion-protected coatings on me