BH GSO IEC 62321-7-1:2022
電工產品中某些物質的測定 第7-1部分:六價鉻 采用比色法測定金屬上無色和有色防腐蝕涂層中六價鉻 (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 metals by the colorimetric method