ASTM D3997 / D3997M - 97(2009)

    Standard Practice for Preparing Coke Samples for Microscopical Analysis by Reflected Light

    Active Standard ASTM D3997 / D3997M | Developed by Subcommittee: D05.28

    Book of Standards Volume: 05.06


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    Significance and Use

    Briquettes of granular coke prepared in accordance with the laboratory procedures of this practice will have flat, scratch-free surfaces suitable for examination with a microscope using reflected light illumination. The polished surface of briquettes prepared using this practice will contain particles representative of the original gross sample.

    Samples prepared by this practice are used for microscopical determination of the textural components in coke (see Test Method D5061).

    1. Scope

    1.1 This practice covers laboratory procedures for the preparation of granular samples of coke for examination with a reflected light microscope. The samples prepared are used for identifying and quantifying the textural components in coke. This practice does not apply to the preparation of oriented lump specimens of coke for structural analysis.

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    D121 Terminology of Coal and Coke

    D346 Practice for Collection and Preparation of Coke Samples for Laboratory Analysis

    D5061 Test Method for Microscopical Determination of the Textural Components of Metallurgical Coke

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves


    ICS Code

    ICS Number Code 75.160.10 (Solid fuels)

    UNSPSC Code

    UNSPSC Code 15101604(Coke)


    DOI: 10.1520/D3997_D3997M-97R09

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