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)
German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 3: Determination of the genotype potential of water and waste water components with the umu-test (T 3)
German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 4: Determination of the genotoxic potential using the Salmonella microsome test (Ames Test) (T 4)
Testing of materials for semiconductor technology - Determination of trace elements in liquids - Part 2: Calcium (Ca), cobalt (Co), chromium (Cr), copper (Cu), Iron (Fe), nickel (Ni) and zinc (Zn) in hydrofluoric acid with plasma-induced emission spectroscopy
Testing of mineral oil hydrocarbons, similar liquids and solvents for paints and varnishes - Analysis by gas chromatography - General working principles