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Standard Practice for Preparation and Dissolution of Uranium Materials for Analysis
1.1 This practice covers dissolution treatments for uranium materials that are applicable to the test methods used for characterizing these materials for uranium elemental, isotopic, and impurities determinations. Dissolution treatments for the major uranium materials assayed for uranium or analyzed for other components are listed.
1.2 The treatments, in order of presentation, are as follows:
| Procedure Title | Section |
| Dissolution of Uranium Metal and Oxide with Nitric Acid | 8.1 |
| Dissolution of Uranium Oxides with Nitric Acid and Residue Treatment | 8.2 |
| Dissolution of Uranium-Aluminum Alloys in Hydrochloric Acid with Residue Treatment | 8.3 |
| Dissolution of Uranium Scrap and Ash by Leaching with Nitric Acid and Treatment of Residue by Carbonate Fusion | 8.4 |
| Dissolution of Refractory Uranium-Containing Material by Carbonate Fusion | 8.5 |
| Dissolution of Uranium-Aluminum Alloys Uranium Scrap and Ash, and RefractoryUranium-Containing Materials by Microwave Treatment | 8.6 |
1.3 The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards statements are given in Section 7.
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