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ÖNORM EN ISO 20079:2006-12

Действует
Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)
This International Standard specifies a method for the determination of the growth-inhibiting response of
duckweed (Lemna minor) to substances and mixtures contained in water, treated municipal wastewater and
industrial effluents.
Diese Internationale Norm legt die Bestimmung der wachstumshemmenden Wirkung von im Wasser enthaltenen Substanzen und Gemischen sowie von behandeltem kommunalen und industriellen Abwässern auf Wasserlinsen (Lemna minor) fest.
ICS
13.060.70 Examination of biological properties of water / Исследование биологических свойств воды