BS EN ISO 9509:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Water quality. Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water
Hardcopy , PDF
31-07-2006
English
01-03-2000
Applicable to non-volatile chemical substances, which are soluble in water, and also to waste waters.
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