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  • BS 7020-14:1988

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Method for the determination of sodium and/or potassium contents: flame atomic absorption spectrometric method

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-08-1997

    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
        trials
    Table
    Dilution guide for test solution
    Figures
    1. Least-squares fit of precision against X for sodium
    2. Least-squares fit of precision against X for
        potassium

    Abstract - (Show below) - (Hide below)

    Applicable to sodium or potassium contents in the range 0.002 to 1.0% (m/m) in natural iron ores, and iron ore concentrates and agglomerates, including sinter products.

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

    Committee W/-
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    ISO 3082:2017 Iron ores — Sampling and sample preparation procedures
    ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
    ISO 648:2008 Laboratory glassware — Single-volume pipettes
    ISO 7764:2006 Iron ores Preparation of predried test samples for chemical analysis
    ISO 3083:1986 Iron ores — Preparation of samples — Manual method
    ISO 3081:1986 Iron ores — Increment sampling — Manual method
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