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Paint and Coatings Industry Standards
ISO 787-7:2009 ISO 787-7:2009 General methods of test for pigments and extenders -- Part 7: Determination of residue on sieve -- Water method -- Manual procedure
The principle of the method consists in weighing of a test portion and dispersing in a suitable volume of water. The dispersion is poured through a sieve. Washing of the test portion until the washings passing through the sieve are clear and free of dispersed material. Treatment of the residue on the sieve with water and drying in an oven at 105 °C 2 °C. Allow to cool and weigh to the nearest 1 mg.