ASTM C759 - 18

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

    Active Standard ASTM C759 | 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 in the plutonium-nitrate solution is made to establish whether the effective fissile content is in compliance with the purchaser's specifications.

    4.1.3 Impurity content is determined 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 nitrate solutions to determine compliance with specifications.

    1.2 The analytical procedures appear in the following order:

     

    Sections

     

    Plutonium by Controlled-Potential Coulometry

    2

    Plutonium by Amperometric Titration with Iron(II)

    2

    Plutonium by Diode Array Spectrophotometry

     

    Free Acid by Titration in an Oxalate Solution

    8 to 15

    Free Acid by Iodate Precipitation-Potentiometric Titration
      Test Method

    16 to 22

    Uranium by Arsenazo I Spectrophotometric Test Method

    23 to 33

    Thorium by Thorin Spectrophotometric Test Method

    34 to 42

    Iron by 1,10-Phenanthroline Spectrophotometric Test Method

    43 to 50

    Impurities by ICP-AES

     

    Chloride by Thiocyanate Spectrophotometric Test Method

    51 to 58

    Fluoride by Distillation-Spectrophotometric Test Method

    59 to 66

    Sulfate by Barium Sulfate Turbidimetric Test Method

    67 to 74

    Isotopic Composition by Mass Spectrometry

    75 to 76

    Plutonium-238 Isotopic Abundance by Alpha Spectrometry

     

    Americium-241 by Extraction and Gamma Counting

    77 to 85

    Americium-241 by Gamma Counting

    86 to 94

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

    94 to 102

    Rare Earths by Copper Spark Spectrochemical Test Method

    103 to 105

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

    106 to 114

    Sample Preparation for Spectrographic Analysis for General
     Impurities

    115 to 118

    1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

    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 hazard 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

    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

    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

    E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

    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 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/C0759-18

    Citation Format

    ASTM C759-18, Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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