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CEN
EN ISO 9888 : 1999

EN ISO 9888 : 1999

Current

Current

The latest, up-to-date edition.

WATER QUALITY - EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM - STATIC TEST (ZAHN-WELLENS METHOD) (ISO 9888:1999)

Published date

06-01-1999

Publisher

Comite Europeen de Normalisation

1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test environment
6 Reagents
7 Apparatus
8 Procedure
9 Calculation and expression of results
10 Validity of results
11 Test report
Annex A (informative) Example of a biodegradation curve
Bibliography
Annex ZA (normative) Normative references to international
                      publications with their relevant European
                      publications

This International Standard specifies a method for the evaluation in aqueous medium of the ultimate biodegradability and, as additional information, the primary biodegradability and the total elimination from water, of organic compounds at a given concentration by aerobic microorganisms.

Committee
CEN/TC 230
DevelopmentNote
Supersedes EN 29888 (07/2005)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

VDI 3478 Blatt 1:2011-03 Biological waste gas purification - Bioscrubbers

ISO 11923:1997 Water quality — Determination of suspended solids by filtration through glass-fibre filters
ISO 9439:1999 Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Carbon dioxide evolution test
ISO 9887:1992 Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi-continuous activated sludge method (SCAS)
EN 1484 : 1997 WATER ANALYSIS - GUIDELINES FOR THE DETERMINATION OF TOTAL ORGANIC CARBON (TOC) AND DISSOLVED ORGANIC CARBON (DOC)
ISO 9408:1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO 6060:1989 Water quality — Determination of the chemical oxygen demand
ISO 7827:2010 Water quality Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium Method by analysis of dissolved organic carbon (DOC)
ISO 11733:2004 Water quality — Determination of the elimination and biodegradability of organic compounds in an aqueous medium — Activated sludge simulation test
ISO/TR 15462:2006 Water quality Selection of tests for biodegradability
ISO 8192:2007 Water quality Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation

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