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  • DIN EN ISO 11905-1:1998-08

    Current The latest, up-to-date edition.

    WATER QUALITY - DETERMINATION OF NITROGEN - PART 1: METHOD USING OXIDATIVE DIGESTION WITH PEROXODISULFATE

    Available format(s):  Hardcopy, PDF

    Language(s):  German, English

    Published date:  01-01-1998

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    1 Scope
    2 Normative references
    3 Range of detection
    4 Sensitivity
    5 Principle
    6 Reagents
    7 Apparatus
    8 Sampling and samples
    9 Procedure
        9.1 Test portion
        9.2 Blank test
        9.3 Cleaning digestion vessels
        9.4 Digestion
        9.5 Verification of recovery of organic nitrogen
        9.6 Starting operation
        9.7 Initial sensitivity setting
        9.8 Calibration
        9.9 Determination
    10 Expression of results
        10.1 Method of calculation
        10.2 Precision data
    11 Test report

    Abstract - (Show below) - (Hide below)

    Defines a procedure for determining the nitrogen content in water, in the form of free ammonia, nitrite, nitrate and organic nitrogen compounds capable of converting to nitrate under the oxidative conditions described. Does not determine dissolved nitrogen. Applies to the analysing of natural fresh water, sea water, drinking, surface water and treated sewage effluent. ALSO KNOWN AS BS 6068-2.62(1998)

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

    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    DIN EN ISO 15175:2011-09 SOIL QUALITY - CHARACTERIZATION OF SOIL RELATED TO GROUNDWATER PROTECTION
    DIN ISO 15175:2005-05 SOIL QUALITY - CHARACTERIZATION OF SOIL RELATED TO GROUNDWATER PROTECTION
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