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  • EN ISO 9888 : 1999

    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)

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    Language(s): 

    Published date:  01-06-1999

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 230
    Development Note Supersedes EN 29888 (07/2005)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    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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