DIN 38412-33

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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)

Deutsches Institut Fur Normung E.V. (German National Standard) , 03/01/1991

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