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  • DIN EN 25663:1993-11

    Current The latest, up-to-date edition.

    WATER QUALITY; DETERMINATION OF KJELDAHL NITROGEN; METHOD AFTER MINERALIZATION WITH SELENIUM

    Available format(s):  Hardcopy, PDF

    Language(s):  German, English

    Published date:  01-01-1993

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

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

    Cooperating organizations
    National foreword
    Foreword
    Text of EN 25663 - No contents section
    National annex NA (informative) Committees responsible
    National annex NB (informative) Cross-reference

    Abstract - (Show below) - (Hide below)

    Specifies a method for the determination of nitrogen by a Kjeldahl-type method. Coverage includes reagents, apparatus, procedure, interferences and suggested procedure for removal of selenium from mineralisation residues.

    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 ISO 15923-1:2014-07 WATER QUALITY - DETERMINATION OF SELECTED PARAMETERS BY DISCRETE ANALYSIS SYSTEMS - PART 1: AMMONIUM, NITRATE, NITRITE, CHLORIDE, ORTHOPHOSPHATE, SULFATE AND SILICATE WITH PHOTOMETRIC DETECTION (ISO 15923-1:2013)
    DIN EN ISO 14855-1:2013-04 DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE - PART 1: GENERAL METHOD (ISO 14855-1:2012)
    VDI 3478 Blatt 1:2011-03 Biological waste gas purification - Bioscrubbers
    VDI 4631:2011-02 Quality criteria for biogas plants
    VDI 4630:2016-11 Fermentation of organic materials - Characterization of the substrate, sampling, collection of material data, fermentation tests
    DIN EN ISO 14855-2:2009-10 DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE - PART 2: GRAVIMETRIC MEASUREMENT OF CARBON DIOXIDE EVOLVED IN A LABORATORY-SCALE TEST
    DIN EN ISO 5667-3:2013-03 WATER QUALITY - SAMPLING - PART 3: PRESERVATION AND HANDLING OF WATER SAMPLES (ISO 5667-3:2012)
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