ASTM E246 - 10

    Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titrimetry

    Active Standard ASTM E246 | Developed by Subcommittee: E01.02

    Book of Standards Volume: 03.05


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    ASTM E246

    Significance and Use

    The determination of the total iron content is the primary means for establishing the commercial value of iron ores used in international trade.

    These test methods are intended as referee methods for the determination of iron in iron ores. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed, such as those described in Guide E882.

    1. Scope

    1.1 These test methods cover the determination of total iron in iron ores, concentrates, and agglomerates in the concentration range 30 % to 95 % iron.

    1.2 The test methods in this standard are contained in the sections indicated as follows:


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1193 Specification for Reagent Water

    E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

    E276 Test Method for Particle Size or Screen Analysis at No. 4 (4.75-mm) Sieve and Finer for Metal-Bearing Ores and Related Materials

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E877 Practice for Sampling and Sample Preparation of Iron Ores and Related Materials for Determination of Chemical Composition

    E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

    E1028 Test Method for Total Iron in Iron Ores and Related Materials by Dichromate Titrimetry


    ICS Code

    ICS Number Code 73.060.10 (Iron ores)

    UNSPSC Code

    UNSPSC Code 11101601(Iron ore); 41115602(Titration equipment)


    DOI: 10.1520/E0246-10

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