ASTM C 698 : 2024
Current
The latest, up-to-date edition.
Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O2)
Hardcopy , PDF
English
12-01-2024
| Committee |
C 26
|
| DocumentType |
Test Method
|
| Pages |
22
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1These test methods cover procedures for the chemical, mass spectrometric, and spectrochemical analysis of nuclear-grade mixed oxides, (U, Pu)O2, powders and pellets to determine compliance with specifications.
1.2The analytical procedures appear in the following order:
| Sections | |
| Uranium in the Presence of Pu by Potentiometric Titration | 2 |
| Plutonium by Controlled-Potential Coulometry | 2 |
| Plutonium by Amperometric Titration with Iron (II) | 2 |
| Nitrogen by Distillation Spectrophotometry Using Nessler Reagent | 8 to 15 |
| Carbon (Total) by Direct Combustion-Thermal Conductivity | 16 to 26 |
| Total Chlorine and Fluorine by Pyrohydrolysis | 27 to 34 |
| Sulfur by Distillation-Spectrophotometry | 35 to 43 |
| Moisture by the Coulometric, Electrolytic Moisture Analyzer | 44 to 51 |
| Isotopic Composition by Mass Spectrometry | 3 |
| Rare Earths by Copper Spark Spectroscopy | 4 |
| Trace Impurities by Carrier Distillation Spectroscopy | 4 |
| Impurities by Spark-Source Mass Spectrography | 4 |
| Total Gas in Reactor-Grade Mixed Dioxide Pellets | 5 |
| Tungsten by Dithiol-Spectrophotometry | 52 to 60 |
| Rare Earth Elements by Spectroscopy | 4 |
| Plutonium-238 Isotopic Abundance by Alpha Spectrometry | 6 |
| Americium-241 in Plutonium by Gamma-Ray Spectrometry | |
| Uranium and Plutonium Isotopic Analysis by Mass Spectrometry | 61 to 69 |
| Oxygen-to-Metal Atom Ratio by Gravimetry | 70 to 77 |
1.3The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.4This 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 safety precaution statements, see Sections 6, 13.2.5, 41.7, and 65.6.1.)
1.5This 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.
| ASTM C 1233 : 2015 : R2021 | Standard Practice for Determining Equivalent Boron Contents of Nuclear Materials |
| ASTM C 1854 : 2017 | Standard Test Method for Determination of Hydrogen (total from all sources) in Mixed Oxide ((U, Pu)O<inf>2</inf>) Sintered Pellets by the Inert Gas Fusion Technique Followed by Thermal Conductivity Measurement |
| ASTM C 1907 : 2021 | Standard Practice for Preparation of Plutonium Materials by Pyrohydrolysis for Determination of Fluoride, Chloride, or Both |
| ASTM C 1411 : 2020 | Standard Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis |
| ASTM C 1030 : 2010 : R2018 | Standard Test Method for Determination of Plutonium Isotopic Composition by Gamma-Ray Spectrometry |
| ASTM C 1307 : 2021 | Standard Test Method for Plutonium Assay by Plutonium (III) Diode Array Spectrophotometry |
| ASTM C 1817 : 2024 | Standard Test Method for The Determination of the Oxygen to Metal (O/M) Ratio in Sintered Mixed Oxide ((U, Pu)O<inf>2</inf>) Pellets by Gravimetry |
| ASTM C 1816 : 2024 | Standard Practice for The Ion Exchange Separation of Small Volume Samples Containing Uranium, Americium, and Plutonium Prior to Isotopic Abundance and Content Analysis |
| ASTM C 833 : 2023 | Standard Specification for Sintered (Uranium-Plutonium) Dioxide Pellets for Light Water Reactors |
| ASTM C 1682 : 2021 | Standard Guide for Characterization of Spent Nuclear Fuel in Support of Interim Storage, Transportation and Geologic Repository Disposal |
| ASTM C 1931 : 2023 | Standard Test Method for Determination of Uranium Isotopic Composition by Gamma-Ray Spectrometry |
| ASTM C 1853 : 2017 | Standard Test Method for The Determination of Carbon (Total) Content in Mixed Oxide ((U, Pu)O<inf>2</inf>) Sintered Pellets by Direct Combustion-Infrared Detection Method |
| ASTM C 758 : 2018 | Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal |
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