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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
15. 6. 2017.

Опште информације

90.93     19. 9. 2022.

ISO

ISO/TC 147/SC 5

Međunarodni standard

13.060.70  

engleski   francuski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 20227:2017
90.93 Odluka o potvrđivanju standarda
19. 9. 2022.

Nacionalna preuzimanja

SRPS EN ISO 20227:2017  
ISS

Kvalitet vode – Određivanje efekata otpadnih voda, prirodnih voda i hemikalija na usporavanje rasta Spirodela polyrhiza – Metoda mikrobiološkog testa nezavisnog od zaliha kultura

60.60   Standard objavljen

H147 Saznaj više