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  • BS ISO 2171 : 2007

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    CEREALS, PULSES AND BY-PRODUCTS - DETERMINATION OF ASH YIELD BY INCINERATION

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2010

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  British Standards Institution

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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 the test sample
    9 Procedure
       9.1 Determination of the moisture content
       9.2 Preparation of the ashing dishes
       9.3 Preparation of the test portion
       9.4 Pre-ashing
       9.5 Ashing
       9.6 Number of determinations
    10 Expression of results
    11 Precision
       11.1 Interlaboratory tests
       11.2 Repeatability
       11.3 Reproducibility
       11.4 Critical difference
       11.5 Uncertainty
    12 Test report
    Annex A (informative) - Results of interlaboratory tests
    Annex B (informative) - Practical application of repeatability
            and reproducibility limits
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for determining the ash yielded by cereals, pulses and their milled products intended for human consumption.

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

    Committee AW/4
    Development Note Supersedes BS 4317-10(1993) & 06/30145276 DC. (11/2007) Renumbered and superseded by BS EN ISO 2171. (06/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    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 3593:1981 Starch — Determination of ash
    ISO 712:2009 Cereals and cereal products — Determination of moisture content — Reference method
    ISO 6644:2002 Flowing cereals and milled cereal products Automatic sampling by mechanical means
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
    ISO 13690:1999 Cereals, pulses and milled products Sampling of static batches
    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 6540:1980 Maize Determination of moisture content (on milled grains and on whole grains)
    ISO 5984:2002 Animal feeding stuffs Determination of crude ash
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