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ČSN EN ISO 9509 (757732)
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms
STANDARD published on 1.4.2007
The information about the standard:
Designation standards: ČSN EN ISO 9509
Classification mark: 757732
Catalog number: 77874
Publication date standards: 1.4.2007
SKU: NS-170264
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 9509 (757732):
Tato norma specifikuje metodu k posuzování krátkodobých inhibičních účinků vody, odpadních vod nebo zkoušených látek na nitrifikační bakterie v aktivovaném kalu. Odhad inhibičního účinku se vztahuje k expoziční době obvykle 3 h nebo 24 h pro slabě nitrifikující kal.
Preview of the standard ČSN EN ISO 9509 (757732)
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