Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

DIN EN ISO 9408:1999-12

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

Available format(s)

Hardcopy , PDF

Language(s)

German, English

Published date

01-01-1999

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.

DevelopmentNote
Supersedes DIN EN 29408. (12/2001)
DocumentType
Standard
Pages
22
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

VDI 3477:2016-03 Biological waste gas purification - Biofilters

View more information
$107.01
Including GST where applicable

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.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more