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— 12 стр.
General methods of test for pigments and extenders - Part 3: Determination of matter soluble in water; Hot extraction method (ISO 787-3:2000); German version EN ISO 787-3:2000— 8 стр.
Iron oxide pigments - Specifications and methods of test (ISO 1248:2006, including Technical Corrigendum 1:2007); German version EN ISO 1248:2008— 26 стр.
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— 12 стр.