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General methods of test for pigments and extenders - Part 7 : Determination of residue on sieve - Water method - Manual procedure


Document Number: ISO 787-7:1981
File Size: 367 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $43.00
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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 øC 2 øC. Allow to cool and weigh to the nearest 1 mg. Alternative procedures for the treatment of residue: Washing of the residue into a previously heated and weighed sintered crucible, into a previously heated and weighed 50 ml beaker or into a previously heated and weighed weighing bottle. - Cancels and replaces ISO Recommendation R 787/7-1968.

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