GB/T 18570.2-2001
涂覆涂料前钢材表面处理 表面清洁度的评定试验 清理过的表面上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--Laboratory determination of chloride on cleaned surfaces
GBT18570.2-2001, GB18570.2-2001