ISO 9509:1989
Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
Referenced standards
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Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
ISO 9509:1989
Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
| Edition | 1989 |
|---|---|
| Published Date | 1989 |
| Published By | International Standardization Organisation |
| Page Count | 6 |