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Standard ČSN EN ISO 9509 1.4.2007 preview

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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


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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

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Examination of biological properties of water

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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Latest update: 2026-03-30 (Number of items: 2 269 988)
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