• BS EN ISO 9831:2003

    Current The latest, up-to-date edition.

    Animal feeding stuffs, animal products, and faeces or urine. Determination of gross calorific value. Bomb calorimeter method

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  12-03-2004

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Definitions
    4 Principle
    5 Reagents and materials
    6 Apparatus
    7 Sampling
    8 Preparation of test sample and test portion
    9 Procedure
    10 Corrections
    11 Expression of results
    12 Precision
    13 Test report
    Annex A (normative) Determination of the effective heat
            capacity of the calorimeter
    Annex B (normative) Special procedures for preparation of
            the test sample
    Annex C (informative) Method of checking that the average
            deviation of the rate of change of temperature is within
            the specified limit
    Annex D (informative) Examples of calculating the results of
            calorific determinations
    Annex E (informative) Results of interlaboratory tests
    Annex F (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a method for the determination of the gross calorific value of animal feeding stuffs, animal products and faeces or urine at constant volume in an adiabatic, an isothermal, or a static bomb calorimeter.

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

    Committee AW/10
    Development Note Supersedes 91/57075 DC. Renumbers and supersedes BS ISO 9831. 2003 version incorporates amendment 14856 to BS ISO 9831. (03/2004)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 1928:2009 Solid mineral fuels Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value
    ISO 6497:2002 Animal feeding stuffs Sampling
    ISO 6496:1999 Animal feeding stuffs — Determination of moisture and other volatile matter content
    ISO 6498:2012 Animal feeding stuffs — Guidelines for sample preparation
    ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    ISO 651:1975 Solid-stem calorimeter thermometers
    ISO 652:1975 Enclosed-scale calorimeter thermometers
    EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
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