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    ASTM C1205 - 20

    Standard Test Method for The Radiochemical Determination of Americium-241 in Soil by Alpha Spectrometry

    Active Standard ASTM C1205 | Developed by Subcommittee: C26.05

    Book of Standards Volume: 12.01


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    Significance and Use

    5.1 This test method provides the speed and high decontamination factors attainable with liquid-liquid extraction of the actinides and eliminates filtration techniques that are more time consuming.

    5.2 This test method provides a precise determination of americium in concentrations normally found in environmental samples.

    1. Scope

    1.1 This test method covers the determination of 241Am in soil by means of chemical separations and alpha spectrometry. It is designed to analyze up to 10 g of soil or other sample matrices that contain up to 30 mg of combined rare earths. This test method allows the determination of 241Am concentrations from ambient levels to applicable standards.

    1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.4 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

    C859 Terminology Relating to Nuclear Materials

    C998 Practice for Sampling Surface Soil for Radionuclides

    C999 Practice for Soil Sample Preparation for the Determination of Radionuclides

    C1163 Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride

    D1193 Specification for Reagent Water

    D3084 Practice for Alpha-Particle Spectrometry of Water

    D3648 Practices for the Measurement of Radioactivity


    ICS Code

    ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

    UNSPSC Code

    UNSPSC Code 11111501(Soil); 12141703(Americium Am)


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

    DOI: 10.1520/C1205-20

    Citation Format

    ASTM C1205-20, Standard Test Method for The Radiochemical Determination of Americium-241 in Soil by Alpha Spectrometry, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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