ASTM C0697-24 - Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
| Standard number: | ASTM C0697-24 |
| Released: | 15.10.2024 |
| Status: | Active |
| Pages: | 19 |
| Section: | 12.01 |
| Keywords: | impurity content; isotopic composition; plutonium content; plutonium dioxide pellets; plutonium dioxide powders; |
1.1 These test methods cover procedures for the chemical, mass spectrometric, and spectrochemical analysis of nuclear-grade plutonium dioxide powders and pellets to determine compliance with specifications.
1.2 The analytical procedures appear in the following order:
|
| Sections |
| Plutonium Sample Handling | 8 to 10 |
| Plutonium by Controlled-Potential Coulometry | 2 |
| Plutonium by Ceric Sulfate Titration | 3 |
| Plutonium by Amperometric Titration with Iron(II) | 2 |
| Plutonium by Diode Array Spectrophotometry | 3 |
| Nitrogen by Distillation Spectrophotometry Using Nessler | 11 to 18 |
| Carbon (Total) by Direct Combustion–Thermal Conductivity | 19 to 29 |
| Total Chlorine and Fluorine by Pyrohydrolysis | 30 to 37 |
| Sulfur by Distillation Spectrophotometry | 38 to 46 |
| Plutonium Isotopic Analysis by Mass Spectrometry | 4 |
| Rare Earth Elements by Spectroscopy | 5 |
| Trace Elements by Carrier–Distillation Spectroscopy | 5 |
| (Alternative: Impurities by ICP-AES or ICP-MS) |
|
| Impurity Elements by Spark-Source Mass Spectrography | 5 |
| Moisture by the Coulometric Electrolytic Moisture Analyzer | 47 to 54 |
| Total Gas in Reactor-Grade Plutonium Dioxide Pellets | 6 |
| Plutonium-238 Isotopic Abundance by Alpha Spectrometry | 3 |
| Americium-241 in Plutonium by Gamma-Ray Spectrometry | 2 |
| Rare Earths By Copper Spark-Spectroscopy | 5 |
| Plutonium Isotopic Analysis by Mass Spectrometry | 55 to 63 |
| Oxygen-To-Metal Atom Ratio by Gravimetry | 64 to 71 |
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 precautionary statements, see Sections 6, 16.2.5, 44.7, and 59.5.1.
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.