DIN EN ISO 20227:2016-06
Superseded Draft standard
Historical

DIN EN ISO 20227:2016-06

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/DIS 20227:2016); German and English version prEN ISO 20227:2016
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Summary

This International Standard specifies a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from dormant 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.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 06/01/2016
Cancellation Date 10/01/2017
Page Count 59
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