ASTM C799-19
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions

Standard No.

ASTM C799-19

Release Date

2019

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM C799-19

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 Determination of Uranium 8 Specific Gravity by Pycnometry 16 – 21 Free Acid by Oxalate Complexation 22 – 28 Determination of Thorium 29 Determination of Chromium 30 Determination of Molybdenum 31 Halogens Separation by Steam Distillation 32 – 36 Fluoride by Specific Ion Electrode 37 – 43 Halogen Distillate Analysis: Chloride, Bromide, and Iodide by Amperometric Microtitrimetry 44 Determination of Chloride and Bromide 45 Determination of Sulfur by X-Ray Fluorescence 46 Sulfate Sulfur by (Photometric) Turbidimetry 47 Phosphorus by the Molybdenum Blue (Photometric) Method 55 – 62 Silicon by the Molybdenum Blue (Photometric) Method 63 – 70 Carbon by Persulfate Oxidation-Acid Titrimetry 71 Conversion to U3O8 72 – 75 Boron by Emission Spectrography A Impurity Elements by Spark Source Mass Spectrography 77 Isotopic Composition by Thermal Ionization Mass Spectrometry 78 Uranium-232 by Alpha Spectrometry 79 – 85 Total Alpha Activity by Direct Alpha Counting 86 – 92 Fission Product Activity by Beta Counting 93 – 99 Entrained Organic Matter by Infrared Spectrophotometry 100 Fission Product Activity by Gamma Counting 101 Determination of Arsenic 102 Determination of Impurities for the EBC Calculation 103 Determination of Technetium 99 104 Determination of Plutonium and Neptunium 105 A Discontinued July 2019. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 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. Specific precautionary statements are given in Section 6. 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.

ASTM C799-19 Referenced Document

• ASTM C1219 Standard Test Methods for Arsenic in Uranium Hexafluoride
• ASTM C1233 Standard Practice for Determining Equivalent Boron Contents of Nuclear Materials
• ASTM C1254 Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence
• ASTM C1267 Standard Test Method for Uranium by Iron (II) Reduction in Phosphoric Acid Followed by Chromium (VI) Titration in the Presence of Vanadium*， 2022-07-01 Update
• ASTM C1287 Standard Test Method for Determination of Impurities in Uranium Dioxide by Inductively Coupled Plasma Mass Spectrometry
• ASTM C1295 Standard Test Method for Gamma Energy Emission from Fission Products in Uranium Hexafluoride
• ASTM C1296 Standard Test Method for Determination of Sulfur in Uranium Oxides and Uranyl Nitrate Solutions by X-Ray Fluorescence (XRF)
• ASTM C1380 Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
• ASTM C1413 Standard Test Method for Isotopic Analysis of Hydrolyzed Uranium Hexafluoride and Uranyl Nitrate Solutions by Thermal Ionization Mass Spectrometry
• ASTM C1517 Standard Test Method for Determination of Metallic Impurities in Uranium Metal or Compounds by DC-Arc Emission Spectroscopy*， 2024-04-22 Update
• ASTM C1561 Standard Guide for Determination of Plutonium and Neptunium in Uranium Hexafluoride and U-Rich Matrix by Alpha Spectrometry*， 2024-04-22 Update
• ASTM C1871 Standard Test Method for Determination of Uranium Isotopic Composition by the Double Spike Method Using a Thermal Ionization Mass Spectrometer*， 2022-02-01 Update
• ASTM C696 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Uranium Dioxide Powders and Pellets
• ASTM C761 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• ASTM C788 Standard Specification for Nuclear-Grade Uranyl Nitrate Solution
• ASTM C859 Standard Terminology Relating to Nuclear Materials
• ASTM D1193 Standard Specification for Reagent Water
• ASTM E115 Standard Practice for Photographic Processing in Optical Emission Spectrographic Analysis (Withdrawn 2002)*， 2021-02-18 Update
• ASTM E12 
• ASTM E60 Standard Practice for Analysis of Metals, Ores, and Related Materials by Molecular Absorption Spectrometry
• ISO 7097 Determination of uranium in reactor fuel solutions and in uranium product solutions; Iron (II) sulfate reduction/potassium dichromate oxidation titrimetric method

ASTM C799-19 history

• 2019 ASTM C799-19 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
• 2012 ASTM C799-12 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
• 1999 ASTM C799-99(2005) Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
• 1999 ASTM C799-99e1 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions