• ASTM C761-11

ASTM C761-11

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

ASTM International, 05/15/2011

Publisher: ASTM

File Format: PDF

$43.00$86.00


Published:15/05/2011

Pages:26

File Size:1 file , 470 KB

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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 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, as analytical methods are replaced with stand-alone analytical methods, are best addressed in subsequent publications.

Sections
Subsampling of Uranium Hexafluoride 7 - 10
Gravimetric Determination of Uranium 11 - 19
Titrimetric Determination of Uranium 20
Preparation of High-Purity U3O 8 21
Isotopic Analysis 22
Isotopic Analysis by Double-Standard Mass-Spectrometer Method 23 - 29
Determination of Hydrocarbons, Chlorocarbons, and Partially Substituted Halohydrocarbons 29-36
Atomic Absorption Determination of Antimony 36
Spectrophotometric Determination of Bromine 37
Titrimetric Determination of Chlorine 38-44
Determination of Silicon and Phosphorus 45-51
Determination of Boron and Silicon 52-59
Determination of Ruthenium 60
Determination of Titanium and Vanadium 61
Spectrographic Determination of Metallic Impurities 62
Determination of Tungsten 63
Determination of Thorium and Rare Earths 64-69
Determination of Molybdenum 70
Atomic Absorption Determination of Metallic Impurities 71-76
Impurity Determination by Spark-Source Mass Spectrography 77
Determination of Boron-Equivalent Neutron Cross Section 78
Determination of Uranium-233 Abundance by Thermal Ionization Mass Spectrometry 79
Determination of Uranium-232 by Alpha Spectrometry 80-86
Determination of Fission Product Activity 87
Determination of Plutonium by Ion Exchange and Alpha Counting 88-92
Determination of Plutonium by Extraction and Alpha Counting 93-100
Determination of Neptunium by Extraction and Alpha Counting 101-108
Atomic Absorption Determination of Chromium Soluble In Uranium Hexafluoride 109-115
Atomic Absorption Determination of Chromium Insoluble In Uranium Hexafluoride 116-122
Determination of Technetium-99 In Uranium Hexafluoride 123-131
Method for the Determiation of Gamma-Energy Emission Rate from Fission Products in Uranium Hexafluoride 132
Determination of Metallic Impurities by ICP-AES 133-142
Determination of Molybdenum, Niobium, Tantalum, Titanium, and Tungsten by ICP-AES 143-152

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. (For specific safeguard and safety consideration statements, see Section 6.)

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