GB/T 18570.5-2005
涂覆涂料前钢材表面处理 表面清洁度的评定试验 第5部分;涂覆涂料前钢材表面的氯化物测定(离子探测管法)
Preparation of steel substrates before application of paints and related products.Tests for the assessment of surface cleanliness.Part 5:Measurement of chloride on surfaces prepared for painting (ion detection tube method)