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EN ISO 20227:2017

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017) EN ISO 20227:2017

Publication date:   Sep 20, 2017

General information

60.60 Standard published   Jul 5, 2017

CEN

CEN/TC 230 Water analysis

European Norm

13.060.70   Examination of biological properties of water

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Scope

ISO 20227:2017 specifies a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from turions, by substances and mixtures contained in water or waste water, including treated municipal waste water and industrial effluents.
The test is also applicable to pure chemicals and in particular, plant protection products and pesticides.

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PUBLISHED
EN ISO 20227:2017
60.60 Standard published
Jul 5, 2017