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Paint and Coatings Industry Standards
ISO 11127-7:2011 ISO 11127-7:2011 Preparation of steel substrates before application of paints and related products -- Test methods for non-metallic blast-cleaning abrasives -- Part 7: Determination of water-soluble chlorides
The procedure includes weighing a test portion of 100 g of the sample, adding 100 ml of water, shaking, allowing to settle, filtering if necessary, adding sulfuric acid to 25 ml of the solution, diluting, titrating the solution with silver nitrate, and noting the end point.
