GB/T 18570.6-2011 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 6:Extraction of soluble contaminants for analysis—The Bresle method
Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 6:Extraction of soluble contaminants for analysis—The Bresle method