German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
€41.78
German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of copper by atomic absorption spectrometry (AAS) (E 7)
€48.79
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of nickel by atomic absorption spectrometry (AAS) (E 11)
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); detection of salmonellae in disinfected sewage sludge (S 13)
German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of potassium by atomic absorption spectrometry (AAS) using an air-acetylene flame (E 13)
€34.30
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992
German standard methods for the examination of water, waste water and sludge; cations (group E); determination of cobalt by atomic absorption spectrometry (AAS) (E 24)
Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Water quality; determination of electrical conductivity (ISO 7888:1985); German version EN 27888:1993
Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26)