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SS-EN ISO 787-4 : 2017
Current
Current
The latest, up-to-date edition.
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General methods of test for pigments and extenders - Part 4: Determination of acidity or alkalinity of the aqueous extract (ISO 787-4:1981)
Available format(s)
Hardcopy
Language(s)
English
Published date
21-11-2017
Publisher
The principle of the method consists in the hot extraction of the material by following the procedure specified in ISO 787/3, to the stage of obtaining a perfectly clear filtrate. The determination is carried out with indicator solution (method A).
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