DIN Standards Committee Pigments and Extenders
DIN EN ISO 787-4
General methods of test for pigments and extenders - Part 4: Determination of acidity or alkalinity of the aqueous extract (ISO 787-4:1981); German version EN ISO 787-4:2017
Allgemeine Prüfverfahren für Pigmente und Füllstoffe - Teil 4: Bestimmung der Acidität oder Alkalität des wässrigen Extraktes (ISO 787-4:1981); Deutsche Fassung EN ISO 787-4:2017
Document: references other documents
Responsible national committee
NA 078-00-03 AA - General test methods for colorants and extenders
Responsible european committee
CEN/TC 298 - Pigments and extenders
Responsible international committee
ISO/TC 256/WG 3 - General test methods for colorants and extenders