International Standard
ISO 20227:2017
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
Reference number
ISO 20227:2017
ISO 20227:2017
Edition 1
2017-06
2017-06
© ISO 2024
International Standard
p
ISO 20227:2017
67326
Published
(Edition 1, 2017)
This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
ISO 20227:2017 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.
General information
-
Status: PublishedPublication date: 2017-06
Corrected version (fr): 2018-02Stage: International Standard confirmed [90.93] -
Edition: 1Number of pages: 20
-
Technical Committee :ISO/TC 147/SC 5ICS :13.060.70
- RSS updates
Life cycle
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)