DIN EN ISO 9509
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006); German version EN ISO 9509:2006
active, Most Current
| Organization: | DIN |
| Publication Date: | 1 October 2006 |
| Status: | active |
| Page Count: | 28 |
| ICS Code (Examination of water for chemical substances): | 13.060.50 |
Document History
DIN EN ISO 9509
October 1, 2006
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006); German version EN ISO 9509:2006
A description is not available for this item.
August 1, 2005
Water quality - Method for assessing the inhibition of nitrification in activated sludge by waters, waste waters and chemicals (ISO/DIS 9509:2005); German version prEN ISO 9509:2005
A description is not available for this item.
April 1, 1995
Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water (ISO 9509:1989); German version EN ISO 9509:1995
A description is not available for this item.