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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1999

Publisher

National Standards Authority of Ireland

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

Defines a procedure for the evaluation in aqueous medium of the ultimate biodegradability and as information, the primary biodegradability and the total elimination from water, of organic compounds at a specified concentration by aerobic microorganisms.

DevelopmentNote	Supersedes I.S. EN 29888 (07/2005)
DocumentType	Standard
Pages	22
PublisherName	National Standards Authority of Ireland
Status	Current
Supersedes	I.S. EN 29888:1993

Standards	Relationship
SN EN ISO 9888 : 1999	Identical
BS EN ISO 9888:1999	Identical
NBN EN ISO 9888 : 1999	Identical
NF EN ISO 9888 : 1999	Identical
NEN EN ISO 9888 : 1999	Identical
UNI EN ISO 9888 : 2000	Identical
NS EN ISO 9888 : 2ED 1999	Identical
ISO 9888:1999	Identical
UNE-EN ISO 9888:1999	Identical
EN ISO 9888 : 1999	Identical
DIN EN ISO 9888 E : 1999	Identical
DIN EN ISO 9888:1999-11	Identical

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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I.S. EN ISO 9888:1999

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