SN - NS-EN ISO 9509:1995
Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters (ISO 9509:1989)
inactive, Most Current
| Organization: | SN |
| Publication Date: | 13 June 1995 |
| Status: | inactive |
| ICS Code (Sewage water): | 13.060.30 |
| ICS Code (Examination of biological properties of water): | 13.060.70 |
Document History
NS-EN ISO 9509:1995
June 13, 1995
Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters (ISO 9509:1989)
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