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ČSN EN ISO 20227 (757747)
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
Translate name
STANDARD published on 1.3.2018
The information about the standard:
Designation standards: ČSN EN ISO 20227
Classification mark: 757747
Catalog number: 503963
Publication date standards: 1.3.2018
SKU: NS-808957
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 20227 (757747):
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
Preview of the standard ČSN EN ISO 20227 (757747)
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