IEC 62321-7-1:2015
电工产品中某些物质的测定 - 第7-1部分:六价铬 - 通过比色法在无色和有色腐蚀保护涂层中存在六价铬(Cr(VI))
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 m