Status : Published (Under review)

This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
Format Language
PDF + ePub
Paper
  • CHF63
Convert Swiss francs (CHF) to your currency

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.

Standard first page

Read sample 

Preview this standard in our Online Browsing Platform (OBP)

General information

  • Status
     : Published
    Publication date
     : 2017-06
    Corrected version (fr)
     : 2018-02
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 20
  • Technical Committee :
    ISO/TC 147/SC 5
    ICS :
    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)

  2. Store
  3. Standards catalogue
  4. TC
  5. ISO/TC 147/SC 5
  6. ISO 20227:2017