ASTM D2492 - 02(2012)

    Standard Test Method for Forms of Sulfur in Coal

    Active Standard ASTM D2492 | Developed by Subcommittee: D05.21

    Book of Standards Volume: 05.06


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    ASTM D2492

    Significance and Use

    4.1 This test method provides for a separation of coal-associated sulfur into two commonly recognized forms: pyritic and sulfate. Organic sulfur is calculated by difference. Results obtained by the test method are used to serve a number of interests, including the evaluation of coal preparation and processing operations designed to reduce coal sulfur levels.

    1. Scope

    1.1 This test method applies to the determination of sulfate sulfur and pyritic sulfur in coal and calculates organic sulfur by difference. This test method is not applicable to coke or other carbonaceous materials. Monosulfides (pyrites and FeS2 are disulfides) of iron and elements such as cadmium, lead, vanadium, and zinc can be present in coal. In the range of 0 to 100 ppm, these monosulfides do not contribute significantly to the total inorganic sulfide content.

    1.2 The values stated in SI units are to be regarded as 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

    D1193 Specification for Reagent Water

    D2013 Practice for Preparing Coal Samples for Analysis

    D3173 Test Method for Moisture in the Analysis Sample of Coal and Coke

    D3177 Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke

    D3180 Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases

    D4239 Test Method for Sulfur in the Analysis Sample of Coal and Coke Using High-Temperature Tube Furnace Combustion

    E832 Specification for Laboratory Filter Papers


    ICS Code

    ICS Number Code 75.160.10 (Solid fuels)

    UNSPSC Code

    UNSPSC Code 15101601(Coal)


    DOI: 10.1520/D2492-02R12

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