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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

BS EN ISO 9509
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms

Title (German)

Wasserbeschaffenheit - Toxizitaetstest zur Bestimmung der Nitrifikationshemmung in Belebtschlamm

Edition 2006-07-31

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

BS EN ISO 9509 Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms

Want to learn more?

BS EN ISO 9509
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms