ASTM C1638 - 06(2013)

    Standard Guide for the Determination of Iodine-129 In Uranium Oxide

    Active Standard ASTM C1638 | Developed by Subcommittee: C26.05

    Book of Standards Volume: 12.01


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    Significance and Use

    4.1 The determination of  129I is not typically requested in nuclear fuel specifications however it is commonly requested for disposal of the spent fuel, or for disposal of excess uranium from national weapon complexes. This practice can provide results of sufficient quality for waste disposal repositories.

    1. Scope

    1.1 This method covers the determination of iodine-129 (129I) in uranium oxide by gamma-ray spectrometry. The method could also be applicable to the determination of   129I in aqueous matrices.

    1.2 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 to 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

    C1402 Guide for High-Resolution Gamma-Ray Spectrometry of Soil Samples

    D1193 Specification for Reagent Water

    D3648 Practices for the Measurement of Radioactivity

    D3649 Practice for High-Resolution Gamma-Ray Spectrometry of Water


    ICS Code

    ICS Number Code 71.060.20 (Oxides)

    UNSPSC Code

    UNSPSC Code 15131500(Nuclear fuel); 12142207(Radioisotope sources)


    DOI: 10.1520/C1638-06R13

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