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  • BS 7020-7.1:1988

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Analysis of iron ores. Methods for the determination of sulphur content Gravimetric method

    Available format(s):  Hardcopy, PDF

    Superseded date:  22-03-2023

    Language(s):  English

    Published date:  31-01-1989

    Publisher:  British Standards Institution

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

    National foreword
    Committees responsible
    Method
    1. Scope and field of application
    2. References
    3. Principle
    4. Reagents
    5. Apparatus
    6. Sampling and samples
    7. Procedure
    8. Expression of results
    9. Test report
    Annexes
    A. Flowsheet of the procedure for the acceptance of
        analytical values for test samples
    B. Derivation of repeatability and permissible
        tolerance equations
    C. Precision data obtained by international analytical
        trial
    Table
    Mass of test portion and volume of acid mixture (4.10)
    required for decomposition
    Figure
    Least-squares fit of precision against X for sulfur

    Abstract - (Show below) - (Hide below)

    Applicable to sulphur contents in the range 0.01 to 1.0% (m/m) in natural iron ores, and iron ore concentrates and agglomerates including sinter products.

    Scope - (Show below) - (Hide below)

    This International Standard specifies a barium sulfate gravimetric method for the determination of the sulfur content of iron ores.

    This method is applicable to a concentration range of 0,01 to 1,0 % (m/m) of sulfur in natural iron ores, and iron ore concentrates and agglomerates including sinter products.

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

    Committee W/-
    Development Note Reviewed and confirmed by BSI, January 2005. (12/2004) Supersedes 81/78396 DC. Also numbered as ISO 4689. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS 5660-1:1987 Methods of sampling iron ores Manual method of increment sampling
    ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
    BS 5660-2:1987 Methods of sampling iron ores Mechanical method of increment sampling and sample preparation
    BS 7020-1:1988 Analysis of iron ores Method for the preparation of pre-dried test samples for chemical analysis
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