ASTM C758 - 18

    Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal

    Active Standard ASTM C758 | Developed by Subcommittee: C26.05

    Book of Standards Volume: 12.01


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    Significance and Use

    4.1 These test methods are designed to show whether a given material meets the purchaser's specifications.

    4.1.1 An assay is performed to determine whether the material has the specified plutonium content.

    4.1.2 Determination of the isotopic content of the plutonium is made to establish whether the effective fissile content is in compliance with the purchaser's specifications.

    4.1.3 Impurity content is verified by a variety of methods to ensure that the maximum concentration limit of specified impurities is not exceeded. Determination of impurities is also required for calculation of the equivalent boron content (EBC).

    4.2 Fitness for Purpose of Safeguards and Nuclear Safety Applications—Methods intended for use in safeguards and nuclear safety applications shall meet the requirements specified by Guide C1068 for use in such applications.

    1. Scope

    1.1 These test methods cover procedures for the chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear-grade plutonium metal to determine compliance with specifications.

    1.2 The analytical procedures appear in the following order:

     

    Sections

    Dissolution Procedure

    2

    Plutonium by Controlled-Potential Coulometry

    3

    Plutonium by Amperometric Titration with Iron (II)

    2

    Plutonium by Ceric Sulfate Titration Test Method

    3

    Plutonium by Diode Array Spectrophotometry

    3

    Uranium by Arsenazo I Spectrophotometric Test Method

    8 – 10

    Thorium by Thorin Spectrophotometric Test Method

    11 – 13

    Iron by 1,10-Phenanthroline Spectrophotometric Test Method

    14 – 16

    Iron by 2,2ʹ-Bipyridyl Spectrophotometric Test Method

    17 – 23

    Impurities by ICP-AES

     

    Chloride by the Thiocyanate Spectrophotometric Test Method

    24 – 26

    Fluoride by Distillation-Spectrophotometric Test Method

    2728

    Nitrogen by Distillation-Nessler Reagent Spectrophotometric Test
     Method

    2930

    Carbon by the Direct Combustion-Thermal Conductivity Test
     Method

    31 – 33

    Sulfur by Distillation-Spectrophotometric Test Method

    34 – 36

    Isotopic Composition by Mass Spectrometry

    37 and 38

    Plutonium-238 Isotopic Abundance by Alpha Spectrometry

     

    Americium-241 by Extraction and Gamma Counting

    39 – 41

    Americium-241 by Gamma Counting

    3

    Gamma-Emitting Fission Products, Uranium, and Thorium by
     Gamma-Ray Spectroscopy

    42 – 49

    Rare Earths by Copper Spark Spectrochemical Test Method

    50 – 52

    Tungsten, Niobium (Columbium), and Tantalum by Spectro-
     chemical Test Method

    53 – 55

    Sample Preparation for Spectrographic Analysis for Trace Impuri-
     ties

    56 – 60

    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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific safeguard and safety hazards statements, see Section 6.

    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

    C697 Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets

    C698 Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O2)

    C759 Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions

    C852/C852M Guide for Design Criteria for Plutonium Gloveboxes

    C859 Terminology Relating to Nuclear Materials

    C1009 Guide for Establishing and Maintaining a Quality Assurance Program for Analytical Laboratories Within the Nuclear Industry

    C1068 Guide for Qualification of Measurement Methods by a Laboratory Within the Nuclear Industry

    C1108 Test Method for Plutonium by Controlled-Potential Coulometry

    C1128 Guide for Preparation of Working Reference Materials for Use in Analysis of Nuclear Fuel Cycle Materials

    C1156 Guide for Establishing Calibration for a Measurement Method Used to Analyze Nuclear Fuel Cycle Materials

    C1165 Test Method for Determining Plutonium by Controlled-Potential Coulometry in H2SO4 at a Platinum Working Electrode

    C1168 Practice for Preparation and Dissolution of Plutonium Materials for Analysis

    C1206 Test Method for Plutonium by Iron (II)/Chromium (VI) Amperometric Titration

    C1210 Guide for Establishing a Measurement System Quality Control Program for Analytical Chemistry Laboratories Within the Nuclear Industry

    C1235 Test Method for Plutonium by Titanium(III)/Cerium(IV) Titration

    C1268 Test Method for Quantitative Determination of 241Am in Plutonium by Gamma-Ray Spectrometry

    C1297 Guide for Qualification of Laboratory Analysts for the Analysis of Nuclear Fuel Cycle Materials

    C1307 Test Method for Plutonium Assay by Plutonium (III) Diode Array Spectrophotometry

    C1415 Test Method for 238Pu Isotopic Abundance By Alpha Spectrometry

    C1432 Test Method for Determination of Impurities in Plutonium: Acid Dissolution, Ion Exchange Matrix Separation, and Inductively Coupled Plasma-Atomic Emission Spectroscopic (ICP/AES) Analysis

    D1193 Specification for Reagent Water


    ICS Code

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

    UNSPSC Code

    UNSPSC Code 15131500(Nuclear fuel)


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

    DOI: 10.1520/C0758-18

    Citation Format

    ASTM C758-18, Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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