• I.S. EN ISO 8968-1:2014

    Current The latest, up-to-date edition.

    MILK AND MILK PRODUCTS - DETERMINATION OF NITROGEN CONTENT - PART 1: KJELDAHL PRINCIPLE AND CRUDE PROTEIN CALCULATION (ISO 8968-1:2014)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2014

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Forewords
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Reagents
    6 Apparatus
    7 Sampling
    8 Preparation of test sample
    9 Procedures
    10 Calculation and expression of results
    11 Precision
    12 Test report
    Annex A (informative) - Test portion
    Annex B (informative) - Collaborative trials
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a method for the determination of the nitrogen content and crude protein calculation of milk and milk products by the Kjeldahl principle, using traditional and block digestion methods.

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

    Development Note Supersedes I.S. EN ISO 8968-2. (02/2014)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

    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
    ISO 385:2005 Laboratory glassware Burettes
    ISO 707:2008 Milk and milk products — Guidance on sampling
    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 8655-3:2002 Piston-operated volumetric apparatus Part 3: Piston burettes
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