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    ASTM E1335 - 08(2017)

    Standard Test Methods for Determination of Gold in Bullion by Fire Assay Cupellation Analysis

    Active Standard ASTM E1335 | Developed by Subcommittee: E01.05

    Book of Standards Volume: 03.05

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    Significance and Use

    4.1 These test methods are intended for the determination of the gold content of gold and silver bullion. It is assumed that all who use these test methods are trained assayers capable of performing common fire assay procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

    1. Scope

    1.1 These test methods cover cupellation analysis of bullion having chemical compositions within the following limits:


     Concentration Range, %




    0.5 to 4.0 and 20.0 to 99.8


    1.0 to 99.5

    Total gold plus silver

    75.0 to 100.0

    1.2 These test methods appear in the following order:





    20.0 % – 99.0 % gold

    10 – 17

    0.5 % – 4.0 % gold

    18 – 23

    98.9 % – 99.8 % gold

    24 – 30

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 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. For specific safety hazards, see Section 8.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    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

    B562 Specification for Refined Gold

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

    E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

    E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals

    E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method

    ICS Code

    ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E1335-08R17

    Citation Format

    ASTM E1335-08(2017), Standard Test Methods for Determination of Gold in Bullion by Fire Assay Cupellation Analysis, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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