| Standard Number | BS EN ISO 9509:2006 |
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| Title | Water quality. Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms |
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| Status | Current, Confirmed |
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| Publication Date | 31 July 2006 |
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| Confirm Date | 09 June 2020 |
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| Normative References(Required to achieve compliance to this standard) | ISO 11733, ISO 7150-1:1984, ISO 5667-16:2017, ISO 6777:1984 |
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| Informative References(Provided for Information) | ISO 9888:1999, ISO 8192, ISO 6107-1:2004 |
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| Replaces | BS EN ISO 9509:1995, BS 6068-5.9:1990,ISO 9509:1989 |
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| International Relationships | EN ISO 9509:2006,ISO 9509:2006 |
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| Draft Superseded By | 05/30039357 DC |
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| Descriptors | Sewage, Testing conditions, Organism-activity determination, Quality, Biological analysis and testing, Water, Effluents (sewage), Water testing, Microorganisms, Sludge, Toxicity, Nitrifying bacteria, Microbiological analysis |
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| ICS | 13.060.70
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| Title in French | Qualite de l'eau. Essai de toxicite pour l'evaluation de l'inhibition de la nitrification des micro-organismes des boues activees |
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| Title in German | Wasserbeschaffenheit. Toxizitaetstest zur Bestimmung der Nitrifikationshemmung in Belebtschlamm |
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| Committee | EH/3/5 |
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| ISBN | 0 580 48741 5 |
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| Publisher | BSI |
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| Format | A4 |
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| Delivery | Yes |
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| Pages | 24 |
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| File Size | 522 KB |
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| Price | £186.00 |
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