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  • NF EN 1899-1 : 1998

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BODN) - PART 1: DILUTION AND SEEDING METHOD WITH ALLYLTHIOUREA ADDITION

    Available format(s): 

    Superseded date:  23-10-2021

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definition
    4 Principle
    5 Reagents
    6 Apparatus
    7 Storage of the sample
    8 Procedure
    9 Calculation and expression of results
    10 Trueness and precision
    11 Special cases
    12 Test report
    Annex A (normative) Alternative incubation periods
    Annex B (informative) Multitesting

    Abstract - (Show below) - (Hide below)

    Defines a determination of the biochemical oxygen demand of waters by diluting and seeding with suppression of nitrification. Applies to all waters with biochemical oxygen demands in excess of or equal to the limit of determination 3 mg/l of oxygen and not in excess of 6000mg/l of oxygen.

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    Development Note SUPERSEDES NFT 90-103
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

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