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
NORM herausgegeben am 1.3.2018
Bezeichnung normen: ČSN EN ISO 20227
Zeichen: 757747
Katalog-Nummer: 503963
Ausgabedatum normen: 1.3.2018
Zahl der Seiten: 36
Gewicht ca.: 108 g (0.24 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document 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