ASTM International - ASTM C1022-17
Standard Test Methods for Chemical and Atomic Absorption Analysis of Uranium-Ore Concentrate
| Organization: | ASTM International |
| Publication Date: | 1 November 2017 |
| Status: | inactive |
| Page Count: | 16 |
| ICS Code (Fissile materials and nuclear fuel technology): | 27.120.30 |
significance And Use:
4.1 The test methods in this standard are designed to show whether a given material meets the specifications prescribed in Specification C967.
4.2 Because of the variability of matrices of... View More
scope:
1.1 These test methods cover procedures for the chemical and atomic absorption analysis of uranium-ore concentrates to determine compliance with the requirements prescribed in Specification C967.
1.2 The analytical procedures appear in the following order:
| Sections |
| Uranium by Ferrous Sulfate Reduction-Potassium Dichromate Titrimetry | 9 |
| Nitric Acid-Insoluble Uranium | 10 to 18 |
| Extractable Organic Material | 19 to 26 |
| Determination of Arsenic | 27 |
| Carbonate by CO
2 Gravimetry | 28 to 34 |
| Fluoride by Ion-Selective Electrode | 35 to 42 |
| Halides by Volhard Titration | 43 to 50 |
| Phosphorus by Spectrophotometry | 52 to 60 |
| Determination of Silicon | 61 |
| Determination of Thorium | 62 |
| Calcium, Iron, Magnesium, Molybdenum, Titanium, and Vana- dium by Atomic Absorption Spectrophotometry | 63 to 72 |
| Potassium and Sodium by Atomic Absorption Spectrophotometry | 73 to 82 |
| Boron by Spectrophotometry | 83 to 92 |
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. A specific precautionary statement is given in Section 7.
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.
Document History
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