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  4. Standard "STN EN ISO 9509"
WITHDRAWN STN EN ISO 9509 1.12.1998 preview

STN EN ISO 9509 (757746)

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



STANDARD published on 1.12.1998


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The information about the standard:

Designation standards: STN EN ISO 9509
Classification mark: 757746
Catalog number: 12954
Note: WITHDRAWN
Publication date standards: 1.12.1998
SKU: NS-540234
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN ISO 9509 (01.04.2007)

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