Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determintation of oxygen demand in a closed respirometer (ISO 9408:1999)

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

17-05-2000

Publisher

Asociacion Espanola de Normalizacion

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.

Committee	CTN 77/SC 1
DevelopmentNote	Supersedes UNE EN 29408. (07/2003)
DocumentType	Standard
Pages	24
PublisherName	Asociacion Espanola de Normalizacion
Status	Current
Supersedes	UNE-EN 29408:1995

Standards	Relationship
DIN EN ISO 9408:1999-12	Identical
ISO 9408:1999	Identical
NBN EN ISO 9408 : 1999	Identical
NEN EN ISO 9408 : 1999	Identical
NS EN ISO 9408 : 1ED 1999	Identical
I.S. EN ISO 9408:1999	Identical
SN EN ISO 9408 : 1999	Identical
UNI EN ISO 9408 : 2006	Identical
BS EN ISO 9408:1999	Identical
EN ISO 9408 : 1999	Identical
NF EN ISO 9408 : 1999	Identical
DIN EN ISO 9408 E : 1999	Identical