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Norm
ÖNORM EN ISO 20227
Issue date: 2017 10 01
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)
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 ...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 27 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
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.
ÖNORM EN ISO 20227
2017 10 01
Water quality - Determination of the growth inhibition effects of waste waters, natural waters and c...
Norm
↖
Norm
ISO 5667-16:2017
Issue date :
2017 04 12
Water quality — Sampling — Part 16: Guidance on biotesting of samples
Norm
ISO 20227:2017
Issue date :
2017 06 15
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