KS C IEC 62321-7-1-2017(2022) 电工产品中某些物质的测定.第7-1部分:六价铬.用比色法测定金属上无色和有色防腐涂层中六价铬(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