NEN EN ISO 9439 : 2000
Current
The latest, up-to-date edition.
WATER QUALITY - EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM - CARBON DIOXIDE EVOLUTION TEST
12-01-2013
1 Scope
2 Definitions
3 Principle
4 Test environment
5 Reagents
6 Apparatus
7 Procedure
8 Calculation
9 Validity of results
10 Test report
Annex A (informative) Principle of a
test system for measuring
carbon dioxide (example)
Annex B (informative) Examples of the
determination of released
carbon dioxide
Annex C (informative) Example of a
biodegradation curve
Annex D (informative) Combined
determination of carbon
dioxide and DOC
Bibliography
Specifies a method, by analysis of released carbon dioxide, for the evaluation in an aqueous medium of the "ultimate" biodegradability of organic compounds at a given concentration by aerobic micro-organisms. Applies to organic compounds which are: insoluble in the test conditions; soluble in the test conditions; not inhibitory to the test micro-organisms at the concentration chosen for the test; non-volatile or which have a negligible vapour pressure under the conditions of the test. Coverage includes definitions, reagents, apparatus and procedure.
| DevelopmentNote |
Supersedes NEN ISO 9439. (10/2002)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 9439:1999 | Identical |
| UNI EN ISO 9439 : 2006 | Identical |
| BS EN ISO 9439:2001 | Identical |
| DIN EN ISO 9439:2000-10 | Identical |
| UNE-EN ISO 9439:2000 | Identical |
| EN ISO 9439:2000 | Identical |
| I.S. EN ISO 9439:2000 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.