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  • DIN EN ISO 5983-2:2009-10

    Current The latest, up-to-date edition.

    ANIMAL FEEDING STUFFS - DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT - PART 2: BLOCK DIGESTION AND STEAM DISTILLATION METHOD

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

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

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Reagents
    6 Apparatus
    7 Sampling
    8 Preparation of test sample
    9 Procedure
    10 Calculation and expression of results
    11 Precision
    12 Test report
    Annex A (informative) - Results of interlaboratory test
    Annex B (informative) - Results of a proficiency test;
            comparison of the colorimetric and potentiometric
            endpoint determination of the titration
    Bibliography
    National Annex NA (informative) - Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content.

    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 15948:2015-06 CEREALS - DETERMINATION OF MOISTURE AND PROTEIN - METHOD USING NEAR-INFRARED-SPECTROSCOPY IN WHOLE KERNELS

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

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    DIN EN ISO 385:2005-07 Laboratory glassware - Burettes (ISO 385:2005); German version EN ISO 385:2005
    ISO 8655-5:2002 Piston-operated volumetric apparatus Part 5: Dispensers
    ISO 1871:2009 Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method
    ISO 5983-1:2005 Animal feeding stuffs Determination of nitrogen content and calculation of crude protein content Part 1: Kjeldahl method
    DIN ISO 5725-2:2002-12 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)
    ISO 385:2005 Laboratory glassware Burettes
    DIN EN ISO 8655-2:2002-12 Piston-operated volumetric apparatus - Part 2: Piston pipettes (ISO 8655-2:2002)
    ISO 6497:2002 Animal feeding stuffs Sampling
    DIN ISO 5725-1:1997-11 ACCURACY (TRUENESS AND PRECISION) OF MEASUREMENT METHODS AND RESULTS - PART 1: GENERAL PRINCIPLES AND DEFINITIONS
    ISO 8655-2:2002 Piston-operated volumetric apparatus Part 2: Piston pipettes
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 6498:2012 Animal feeding stuffs — Guidelines for sample preparation
    ISO 8655-3:2002 Piston-operated volumetric apparatus Part 3: Piston burettes
    DIN EN ISO 385 E : 2005 LABORATORY GLASSWARE - BURETTES
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