I.S. EN ISO 9509:2006
Current
The latest, up-to-date edition.
WATER QUALITY - TOXICITY TEST FOR ASSESSING THE INHIBITION OF NITRIFICATION OF ACTIVATED SLUDGE MICROORGANISMS
Hardcopy , PDF
English
01-01-2006
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Validity of results
10 Precision
11 Test report
Annex A (normative) Determination of the nitrifying
activity of an activated sludge
Annex B (normative) Example for preparation of the test
Annex C (informative) Apparatus for culturing nitrifying
activated sludge
Bibliography
Defines a method for assessing the short-term inhibitory effect of waters, waste waters or test substances on nitrifying bacteria in activated sludge.
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 9509:2006 | Identical |
| EN ISO 9509:2006 | Identical |
| NEN EN ISO 9509 : 2006 | Identical |
| NF EN ISO 9509 : 2006 | Identical |
| NBN EN ISO 9509 : 2006 | Identical |
| BS EN ISO 9509:2006 | Identical |
| NS EN ISO 9509 : 2ED 2006 | Identical |
| DIN EN ISO 9509:2006-10 | Identical |
| UNE-EN ISO 9509:2007 | Identical |
| ISO 9888:1999 | Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Static test (Zahn-Wellens 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 8192:2007 | Water quality — Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation |
| ISO 7150-1:1984 | Water quality — Determination of ammonium — Part 1: Manual spectrometric method |
| ISO 6107-1:2004 | Water quality — Vocabulary — Part 1: |
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