ASTM C 799

1.1 These test methods cover procedures for the chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear-grade uranyl nitrate solution to determine compliance with specifications. 1.2 The analytical procedures appear in the following order: Sections Determination of Uranium 7 Specific Gravity by Pycnometry 15-20 Free Acid by Oxalate Complexation 21-27 Determination of Thorium 28 Determination of Chromium 29 Determination of Molybdenum 30 Halogens Separation by Steam Distillation 31-35 Fluoride by Specific Ion Electrode 36-42 Halogen Distillate Analysis: Chloride, Bromide, and Iodide by Amperometric Microtitrimetry 43 Determination of Chloride and Bromide 44 Determination of Sulfur by X-Ray Fluorescence 45 Sulfate Sulfur by (Photometric) Turbidimetry 46 Phosphorus by the Molybdenum Blue (Photometric) Method 54-61 Silicon by the Molybdenum Blue (Photometric) Method 62-69 Carbon by Persulfate Oxidation-Acid Titrimetry 70 Conversion to U<(Index)3>O<(Index)8> 71-74 Boron by Emission Spectrography 75-81 Impurity Elements by Spark Source Mass Spectrography 82 Isotopic Composition by Thermal Ionization Mass Spectrometry 83 Uranium-232 by Alpha Spectrometry 84-90 Total Alpha Activity by Direct Alpha Counting 91-97 Fission Product Activity by Beta Counting 98-104 Entrained Organic Matter by Infrared Spectrophotometry 105 Fission Product Activity by Gamma Counting 106 Determination of Arsenic 107 Determination of Impurities for the EBC Calculation 108 Determination of Technetium 99 109 Determination of Plutonium and Neptunium 110 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 Section 5.