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SN EN ISO 9408 : 1999

Current

Current

The latest, up-to-date edition.

WATER QUALITY - EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM BY DETERMINATION OF OXYGEN DEMAND IN A CLOSED RESPIROMETER

Published date

12-01-2013

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1 Scope
2 Terms and definitions
3 Principle
4 Test environment
5 Reagents
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Validity of results
10 Test report
Annex A (informative) Example of calculation of theoretical oxygen demand
Annex B (informative) Correction of oxygen uptake for interference by
                      nitrification
Annex C (informative) Example of a biodegradation curve
Annex D (informative) Closed respirometer
Bibliography

Defines a method, by determination of the oxygen demand in a closed respirometer, for the evaluation in aqueous medium of the ultimate biodegradability of organic compounds and waste waters at a given concentration by aerobic microorganisms.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
UNI EN ISO 9408 : 2006 Identical
UNE-EN ISO 9408:2000 Identical
BS EN ISO 9408:1999 Identical
EN ISO 9408:1999 Identical
ISO 9408:1999 Identical
DIN EN ISO 9408:1999-12 Identical
I.S. EN ISO 9408:1999 Identical

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