GB/T 18570.2-2009
涂覆涂料前钢材表面处理.表面清洁度的评定试验.第2部分: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 assesssment of surface cleanliness.Part 2:Laboratory determination of chloride on cleaned surfaces