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.
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
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