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Normas ASTM – AENOR
ASTM C799-99e1

ASTM C799-99e1

Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

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 Uranium by Ferrous Sulfate Reduction-Potassium 7 to 14 Dichromate Titrimetry Uranium by Ignition Gravimetry 15 to 21 Specific Gravity by Pycnometry 22 to 27 Free Acid by Oxalate Complexation 28 to 34 Thorium by the Arsenazo (III) (Photometric) Method 35 to 42 Chromium by the Diphenylcarbazide (Photometric) Method 43 to 49 Molybdenum by the Thiocyanate (Photometric) Method 50 to 56 Halogens Separation by Steam Distillation 57 to 61 Fluorine by Specific Ion Electrode 62 to 68 Halogen Distillate Analysis: Chloride, Bromide, and Iodide by 69 to 75 Amperometric Microtitrimetry Bromine by the Fluorescein (Photometric) Method 76 to 84 Sulfate Sulfur by (Photometric) Turbidimetry 85 to 92 Phosphorus by the Molybdenum Blue (Photometric) Method 93 to 100 Silicon by the Molybdenum Blue (Photometric) Method 101 to 108 Carbon by Persulfate Oxidation-Acid Titrimetry 109 to 116 Impurities by Emission Spectroscopy 117 to 120 Boron by Emission Spectrography 121 to 127 Impurity Elements by Spark Source Mass Spectrography 128 to 134 Isotopic Composition by Multiple Filament Surface-Ionization 135 to 140 Mass Spectrometry Uranium-232 by Alpha Spectrometry 141 to 147 Total Alpha Activity by Direct Alpha Counting 148 to 154 Fission Product Activity by Beta and Gamma Counting 155 to 161 Entrained Organic Matter by Infrared Spectrophotometry 162 to 174

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.

Keywords:
Alpha (total) activity; Boron content-nuclear-grade materials; Bromide distillate content; Bromine content; Carbon content-nuclear materials; Chloride distillate content; Chromium content; Columbium content; Fission by-products; Free acid content; Halogen distillate content; Impurities-nuclear materials; Iodide distillate content; Isotopic analysis; Molybdenum content-uranium oxide; Organic matter content; Phosphorus content; Radiochemical analysis; Silicon content; Specific gravity; Spectrochemical analysis; Spectrometry-mass; Sulfate sulfur content; Tantalum content; Thorium content; Titanium content; Trace elements content-spectrochemical analysis; Tungsten content; Uranium-232 content; Uranium content; Uranyl nitrate solutions; Vanadium content; Volatile matter content-nuclear materials; uranyl nitrate solutions (nuclear-grade)- chemical/mass; spectrometric/spectrochemical/nuclear/radiochemical analysis of; nuclear-grade plutonium metal, test
57,27
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