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 C 967.
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 |
| Arsenic by Diethyldithiocarbamate (Photometric Method) | 27 to 36 |
| Carbonate by CO2 Gravimetry | 37 to 43 |
| Fluoride by Ion-Selective Electrode | 44 to 51 |
| Halides by Volhard Titration | 52 to 59 |
| Moisture by Loss of Weight at 110176;C | 60 to 66 |
| Phosphorus by Spectrophotometry | 67 to 75 |
| Silicon by Gravimetry | 76 to 82 |
| Thorium by the Thorin (Photometric) Method | 83 to 91 |
| Calcium, Iron, Magnesium, Molybdenum, Titanium, and Vana-dium by Atomic Absorption Spectrophotometry | 92 to 101 |
| Potassium and Sodium by Atomic Absorption Spectrophotometry | 102 to 111 |
| Boron by Spectrophotometry | 112 to 121 |
1.3 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 precautionary statements are given in Sections 7, 32, and Note 14.
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