ASTM C761-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: C 761 – 04
Standard Test Methods for
Chemical, Mass Spectrometric, Spectrochemical, Nuclear,
1
and Radiochemical Analysis of Uranium Hexafluoride
This standard is issued under the fixed designation C761; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense. 4
1. Scope
Determination of Plutonium by Ion Exchange and Alpha Count- 88–92
ing
1.1 These test methods cover procedures for subsampling
Determination of Plutonium by Extraction and Alpha Counting 93–100
and for chemical, mass spectrometric, spectrochemical,
Determination of Neptunium by Extraction and Alpha Counting 101–108
Atomic Absorption Determination of Chromium Soluble In Ura- 109–115
nuclear, and radiochemical analysis of uranium hexafluoride
nium Hexafluoride
(UF ). Most of these test methods are in routine use to
6
Atomic Absorption Determination of Chromium Insoluble In Ura- 116–122
determine conformance to UF specifications in the Enrich-
nium Hexafluoride
6
Determination of Technetium-99 In Uranium Hexafluoride 123–131
ment and Conversion Facilities.
Method for the Determiation of Gamma-Energy Emission Rate 132
1.2 Theanalyticalproceduresinthisdocumentappearinthe
from Fission Products in Uranium Hexafluoride
following order: Determination of Metallic Impurities by ICP-AES 133–142
Determination of Molybdenum, Niobium, Tantalum, Titanium, 143–152
NOTE 1—Subcommittee C26.05 will confer with C26.02 concerning
and Tungsten by ICP-AES
the renumbered section inTest Methods C761 to determine how concerns
1.3 This standard does not purport to address all of the
with renumbering these sections, as analytical methods are replaced with
safety concerns, if any, associated with its use. It is the
stand-alone analytical methods, are best addressed in subsequent publica-
responsibility of the user of this standard to establish appro-
tions.
priate safety and health practices and determine the applica-
Sections
bility of regulatory limitations prior to use. (For specific
Subsampling of Uranium Hexafluoride 7 – 10
Gravimetric Determination of Uranium 11 – 19
safeguard and safety consideration statements, see Section 6.)
Titrimetric Determination of Uranium 20
Preparation of High-Purity U O 21
3 8
2. Referenced Documents
Isotopic Analysis 22
Isotopic Analysis by Double-Standard Mass-Spectrometer 23 - 29
2.1 The following documents of the issue in effect on date
Method
of material procurement form a part of this specification to the
Determination of Hydrocarbons, Chlorocarbons, and Partially 29–36
Substituted Halohydrocarbons extent referenced herein:
2
Atomic Absorption Determination of Antimony 36
2.2 ASTM Standards:
Spectrophotometric Determination of Bromine 37
C696 TestMethodsforChemical,MassSpectrometric,and
Titrimetric Determination of Chlorine 38–44
Determination of Silicon and Phosphorus 45–51 Spectrochemical Analysis of Nuclear-Grade Uranium Di-
Determination of Boron and Silicon 52–59
oxide Powders and Pellets
Determination of Ruthenium 60
C753 Specification for Nuclear-Grade, Sinterable Uranium
Determination of Titanium and Vanadium 61
Spectrographic Determination of Metallic Impurities 62
Dioxide Powder
Determination of Tungsten 63
C787 Specification for Uranium Hexafluoride for Enrich-
Determination of Thorium and Rare Earths 64–69
ment
Determination of Molybdenum 70
Atomic Absorption Determination of Metallic Impurities 71–76 C799 Test Methods for Chemical, Mass Spectrometric,
Impurity Determination by Spark-Source Mass Spectrography 77
Spectrochemical, Nuclear, and RadiochemicalAnalysis of
Determination of Boron-Equivalent Neutron Cross Section 78
Nuclear-Grade Uranyl Nitrate Solutions
Determination of Uranium-233 Abundance by Thermal Ionization 79
Mass Spectrometry C996 Specification for Uranium Hexafluoride Enriched to
Determination of Uranium-232 by Alpha Spectrometry 80–86 235
Less Than 5% U
Determination of Fission Product Activity 87
C1128 PreparationofWorkingReferenceMaterialsforUse
in the Analysis of Nuclear Fuel Cycle Materials
1
These test methods are under the jurisdiction of ASTM Committee C26 on
Nuclear Fuel Cycle and are the direct responsibility of Subcommittee C26.05 on 2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Methods of Test.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved July 1, 2004. Published August 2004. Originally
Standards volume information, refer to the standard’s Document Summary page on
approved in 1973. Last previous edition approved in 2001 as C761–01.
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