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Standard ÖNORM EN ISO 20227 1.10.2017 preview

ÖNORM EN ISO 20227

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)

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STANDARD published on 1.10.2017


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The information about the standard:

Designation standards: ÖNORM EN ISO 20227
Publication date standards: 1.10.2017
SKU: NS-798258
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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The category - similar standards:

Examination of biological properties of water

Annotation of standard text ÖNORM EN ISO 20227 :

Dieses Dokument legt ein Verfahren zur Bestimmung der Wachstumshemmung der ersten Fronds von aus Turionen gekeimten Spirodela polyrhiza durch Substanzen und Substanzmischungen in Wasser oder Abwasser einschließlich behandeltem kommunalen Abwasser und industriellem Abwasser fest. Der Test ist auch für reine Chemikalien und insbesondere für Pflanzenschutzmittel und Pestizide geeignet.

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