German standard methods for the examination of water, waste water and sludge; general information (group A); evaluation of inter-laboratory tests (A 42)— 23 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.
General methods of test for pigments and extenders - Part 8: Determination of matter soluble in water; Cold extraction method (ISO 787-8:2000); German version EN ISO 787-8:2000— 8 стр.
Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1: Method for water with low contamination (ISO 10304-1:1992); German version EN ISO 10304-1:1995— 24 стр.