英文题名: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)
The standard describes a biological method for the determination of the toxicity of waste water to green algae. The diluted waste water specimen is stocked with green algae under defined conditions. A dilution factor G<(Index)A> is stated as result.