05/30039357 DC : DRAFT MAY 2005
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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EN ISO 9509 - WATER QUALITY - METHOD FOR ASSESSING THE INHIBITION OF NITRIFICATION OF ACTIVATED SLUDGE MICRO-ORGANISMS BY CHEMICALS AND WASTE WATERS
Superseded date
31-07-2006
Superseded by
Published date
23-11-2012
Publisher
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EN ISO 9509
| Committee |
EH/3/5
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 7890-1:1986 | Water quality Determination of nitrate Part 1: 2,6-Dimethylphenol spectrometric method |
| ISO 6777:1984 | Water quality — Determination of nitrite — Molecular absorption spectrometric method |
| ISO 11733:2004 | Water quality — Determination of the elimination and biodegradability of organic compounds in an aqueous medium — Activated sludge simulation test |
| ISO 5667-16:2017 | Water quality — Sampling — Part 16: Guidance on biotesting of samples |
| ISO 7150-1:1984 | Water quality — Determination of ammonium — Part 1: Manual spectrometric method |
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