ASTM C1206 - 02(2010)

    Standard Test Method for Plutonium by Iron (II)/Chromium (VI) Amperometric Titration

    Active Standard ASTM C1206 | Developed by Subcommittee: C26.05

    Book of Standards Volume: 12.01


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    Significance and Use

    All plutonium materials covered in this test method are used in the preparation of nuclear-reactor fuels. In order to be suitable for this purpose, the materials must meet specified criteria for plutonium content. This test method is used to verify the plutonium content.

    A primary standard dichromate such as that available from National Institute of Standards and Technology (NIST) or a dichromate traceable to a primary standard such as New Brunswick Laboratory (NBL) plutonium standard, is required for this technique.

    1. Scope

    1.1 This test method covers the determination of plutonium in unirradiated nuclear-grade plutonium dioxide, uranium-plutonium mixed oxides with uranium (U)/plutonium (Pu) ratios up to 21, plutonium metal, and plutonium nitrate solutions. Optimum quantities of plutonium to measure are 7 to 15 mg.

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

    C1168 Practice for Preparation and Dissolution of Plutonium Materials for Analysis


    ICS Code

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

    UNSPSC Code

    UNSPSC Code 12141735(Plutonium Pu)


    DOI: 10.1520/C1206-02R10

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