General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020); German version EN ISO 787-19:2020— 12 стр.
General methods of test for pigments and extenders - Part 19: Determination of water-soluble nitrates (salicylic acid method) (ISO 787-19:1974); German version EN ISO 787-19:1995— 4 стр.
General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO/FDIS 787-19:2020); German and English version prEN ISO 787-19:2020— 12 стр.
General methods of test for pigments and extenders - Part 19: Determination of water-soluble nitrates (salicylic acid method) (ISO 787-19:1974); German version EN ISO 787-19:1995— 4 стр.