ASTM C809 - 13

    Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Aluminum Oxide and AluminumOxide-Boron Carbide Composite Pellets

    Active Standard ASTM C809 | Developed by Subcommittee: C26.03

    Book of Standards Volume: 12.01


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    ASTM C809

    Significance and Use

    3.1 Aluminum oxide pellets are used in a reactor core as filler or spacers within fuel, burnable poison, or control rods. In order to be suitable for this purpose, the material must meet certain criteria for impurity content. These test methods are designed to show whether or not a given material meets the specifications for these items as described in Specification C785.

    3.1.1 Impurity content is determined to ensure that the maximum concentration limit of certain impurity elements is not exceeded.

    3.2 Aluminum oxide-boron carbide composite pellets are used in a reactor core as a component in neutron absorber rods. In order to be suitable for this purpose, the material must meet certain criteria for boron content, isotopic composition, and impurity content as described in Specification C784.

    3.2.1 The material is assayed for boron to determine whether the boron content is as specified by the purchaser.

    3.2.2 Determination of the isotopic content of the boron is made to establish whether the 10B concentration is in compliance with the purchaser's specifications.

    3.2.3 Impurity content is determined to ensure that the maximum concentration limit of certain impurity elements is not exceeded.

    1. Scope

    1.1 These test methods cover procedures for the chemical, mass spectrometric, and spectrochemical analysis of nuclear-grade aluminum oxide and aluminum oxide-boron carbide composite pellets to determine compliance with specifications.

    1.2 The analytical procedures appear in the following order:

    Sections

    Boron by Titrimetry and ICP OES

    7 to 16

    Separation of Boron for Mass Spectrometry

    17 to 22

    Isotopic Composition by Mass Spectrometry

    23 to 26

    Separation of Halides by Pyrohydrolysis

    27 to 30

    Chloride and Fluoride by Ion-Selective Electrode

    31 to 33

    Chloride, Bromide, and Iodide by Amperometric Microtitrimetry

    34 to 36

    Trace Elements by Emission Spectroscopy

    37 to 49

    Keywords

    50


    1.3 The values stated in SI units are to be regarded as the 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 precautionary statements, see Section 5.)


    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

    C784 Specification for Nuclear-Grade Aluminum Oxide-Boron Carbide Composite Pellets

    C785 Specification for Nuclear-Grade Aluminum Oxide Pellets

    C791 Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide

    C799 Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions

    D1193 Specification for Reagent Water

    E115 Practice for Photographic Processing in Optical Emission Spectrographic Analysis

    E116 Practice for Photographic Photometry in Spectrochemical Analysis


    ICS Code

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

    UNSPSC Code

    UNSPSC Code 26142106(Nuclear reactor control rod systems)


    DOI: 10.1520/C0809-13

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