SN 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
01-12-2013
National foreword
Committees responsible
Method
1. Scope
2. Normative references
3. Definitions
4. Principle
5. Reagents and materials
6. Apparatus
7. Procedure
8. Calculation and expression of results
9. Validity of results
10. Test report
Annexes
A. Determination of the nitrifying activity of an
activated sludge
B. Example for preparation of the test
C. Bibliography
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