KS M ISO 8502-2-2012 涂料和有关产品使用前钢衬底的制备.表面清洁度的评定试验.第2部分:清洁表面氯化物的实验室测定
Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness-Part 2:Laboratory determination of chloride on cleaned surfaces