KS M ISO 8502-12-2008 涂料和相关产品使用前钢衬底的制备.表面清洁度评定试验.第12部分:滴定测定水溶铁离子的现场试验方法
Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 12:Field method for the titrimetric determination of water-soluble ferrous ions