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ASTM International - ASTM C761-18

Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride

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Organization: ASTM International
Publication Date: 1 February 2018
Status: active
Page Count: 27
ICS Code (Fissile materials and nuclear fuel technology): 27.120.30
significance And Use:

4.1 Uranium hexafluoride is a basic material used to prepare nuclear reactor fuel. To be suitable for this purpose the material must meet criteria for uranium content, isotopic composition,... View More

scope:

1.1 These test methods cover or give reference to procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride (UF6). Most of these test methods are in routine use to determine conformance to UF6 specifications in the Enrichment and Conversion Facilities.

1.2 The analytical procedures in this document appear in the following order:

Note 1: Subcommittee C26.05 will confer with C26.02 concerning the renumbered section in Test Methods C761 to determine how concerns with renumbering these sections are best addressed in subsequent publications as analytical methods are replaced with stand-alone analytical methods.

  Sections
Subsampling of Uranium Hexafluoride 8
Gravimetric Determination of Uranium 9 - 17
Titrimetric Determination of Uranium 18
Preparation of High-Purity U

3O8

19
Isotopic Analysis 20
Determination of Hydrocarbons, Chlorocarbons, and Partially Substituted Halohydrocarbons 21 - 27
Determination of Antimony 28
Determination of Bromine 29
Determination of Chlorine 30 - 36
Determination of Silicon and Phosphorus 37 - 43
Determination of Boron and Silicon 44
Determination of Ruthenium 45
Determination of Titanium and Vanadium 46
Spectrographic Determination of Metallic Impurities 47
Determination of Tungsten 48
Determination of Thorium and Rare Earths 49
Determination of Molybdenum 50
Atomic Absorption Determination of Metallic Impurities 51 - 56
Impurity Determination by Spark-Source Mass Spectrography 57
Determination of Boron-Equivalent Neutron Cross Section 58
Determination of Uranium-233 Abundance by Thermal Ionization Mass Spectrometry 59
Determination of Uranium-232 by Alpha Spectrometry 60 - 66
Determination of Fission Product Activity 67
Determination of Plutonium by Ion Exchange and Alpha Counting 68 - 72
Determination of Plutonium by Extraction and Alpha Counting 73 - 80
Determination of Neptunium by Extraction and Alpha Counting 81 - 88
Atomic Absorption Determination of Chromium Soluble In Uranium Hexafluoride 89 - 95
Atomic Absorption Determination of Chromium Insoluble In Uranium Hexafluoride 101 - 102
Determination of Technetium-99 In Uranium Hexafluoride 103 - 110
Method for the Determination of Gamma-Energy Emission Rate from Fission Products in Uranium Hexafluoride 112
Determination of Metallic Impurities by ICP-AES 113 - 122
Determination of Molybdenum, Niobium, Tantalum, Titanium, and Tungsten by ICP-AES 123 - 132

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. (For specific safeguard and safety consideration statements, see 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

ASTM C761-18
February 1, 2018
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover or give reference to procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride (UF6)....
May 15, 2011
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride UF6. Most of these test...
July 1, 2004
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride (UF 6 ). Most of these test...
July 1, 2004
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride UF6. Most of these test...
August 10, 2001
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride (UF6). All of these test...
August 10, 2001
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
1.1 These test methods cover procedures for subsampling and for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of uranium hexafluoride (UF6). All of these test...
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