• BS EN ISO 8968-2:2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Milk. Determination of nitrogen content Block-digestion method (Macro method)

    Available format(s):  Hardcopy, PDF

    Superseded date:  28-02-2014

    Language(s):  English

    Published date:  28-01-2002

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative reference
    3 Term and definition
    4 Principle
    5 Reagents
    6 Apparatus
    7 Sampling
    8 Preparation of test sample
    9 Procedure
       9.1 Test portion and pretreatment
       9.2 Determination
       9.3 Blank test
       9.4 Recovery tests
    10 Calculation and expression of results
       10.1 Calculation of nitrogen content
       10.2 Calculation of crude protein content
    11 Precision
       11.1 Interlaboratory test
       11.2 Repeatability
       11.3 Reproducibility
    12 Test report
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives a method for the determination of the nitrogen content of liquid milk, whole or skimmed, by the block-digestion principle.

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

    Committee AW/5
    Development Note Supersedes 98/712619 DC. (02/2002)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    ISO 8968-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 707:2008 Milk and milk products — Guidance on sampling
    ISO 385-1:1984 Laboratory glassware — Burettes — Part 1: General requirements
    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 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
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