KS C IEC 62321-7-2-2022 电工产品中某些物质的测定第7-2部分:六价铬用比色法测定聚合物和电子产品中的六价铬[Cr(VI)]
Determination of certain substances in electrotechnical products — Part 7-2: Hexavalent chromium — Determination of hexavalent chromium[Cr(VI)] in polymers and electronics by the colorimetric method