NS EN ISO 787-4 : 2017
Current
Current
The latest, up-to-date edition.
GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS - PART 4: DETERMINATION OF ACIDITY OR ALKALINITY OF THE AQUEOUS EXTRACT (ISO 787-4:1981)
Published date
28-03-2018
Provides 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.
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