ČSN EN ISO 9509 (757732)

Water quality. Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water

NORM herausgegeben am 1.12.1996

The information about the standard:

Designation standards: ČSN EN ISO 9509
Classification mark: 757732
Catalog number: 20425
Note: UNGÜLTIG
Publication date standards: 1.12.1996
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN