EN ISO 8502-2:2017 涂覆油漆和相关产品前钢材衬底的预处理.表面清洁度的评定试验.第2部分:洁净表面氯化物的测定
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 (ISO 8502-2:2017)