ASTM C761-11

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

STANDARD published on 15.5.2011

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The information about the standard:

Designation standards: ASTM C761-11
Note: WITHDRAWN
Publication date standards: 15.5.2011
SKU: NS-14942
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Fissile materials

Annotation of standard text ASTM C761-11 :

Keywords:

analytical methods, mass spectrometry, radiochemistry, uranium hexafluoride, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

Additional information

1. Scope

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.)

2. Referenced Documents

C1429-21	Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double-Standard Multi-Collector Gas Mass Spectrometer
C1441-13	Standard Test Method for the Analysis of Refrigerant 114, Plus Other Carbon-Containing and Fluorine-Containing Compounds in Uranium Hexafluoride via Fourier-Transform Infrared (FTIR) Spectroscopy (Withdrawn 2022)
C1474-19	Standard Test Method for Analysis of Isotopic Composition of Uranium in Nuclear-Grade Fuel Material by Quadrupole Inductively Coupled Plasma-Mass Spectrometry
C1477-19	Standard Test Method for Isotopic Abundance Analysis of Uranium Hexafluoride and Uranyl Nitrate Solutions by Multi-Collector, Inductively Coupled Plasma-Mass Spectrometry
C1508-18	Standard Test Method for Determination of Bromine and Chlorine in UF6 and Uranyl Nitrate by X-Ray Fluorescence (XRF) Spectroscopy
C1539-08	Standard Test Method for Determination of Technetium-99 in Uranium Hexafluoride by Liquid Scintillation Counting
C1561-10(2016)	Standard Guide for Determination of Plutonium and Neptunium in Uranium Hexafluoride and U-Rich Matrix by Alpha Spectrometry
C1636-22	Standard Guide for Determination of Uranium-232 in Uranium Hexafluoride
C1689-21	Standard Practice for Subsampling of Uranium Hexafluoride
C1742-17	Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double Standard Single-Collector Gas Mass Spectrometer Method (Withdrawn 2023)
D1193-06(2018)	Standard Specification for Reagent Water
C996-20	Standard Specification for Uranium Hexafluoride Enriched to Less Than 5 % 235U
E60-11(2022)e1	Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022).

C1346-19	Standard Practice for Dissolution of UF6 from P-10 Tubes
C1344-97	Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method
C1233-15(2021)	Standard Practice for Determining Equivalent Boron Contents of Nuclear Materials
C1380-04	Standard Test Method for Determination of Uranium Content and Isotopic Composition by Isotope Dilution Mass Spectrometry
USEC 651	Good Handling and Practices for UF6
ANSI N 14.1	Nuclear Material-Uranium Hexafluoride-Packaging for Transport
C1413-18	Standard Test Method for Isotopic Analysis of Hydrolyzed Uranium Hexafluoride and Uranyl Nitrate Solutions by Thermal Ionization Mass Spectrometry
ISO 7195	Nuclear Energy-Packaging of Uranium Hexafluoride (UF6) for Transport
C1295-24	Standard Test Method for Gamma Energy Emission from Fission and Decay Products in Uranium Hexafluoride and Uranyl Nitrate Solution
C1287-18	Standard Test Method for Determination of Impurities in Nuclear Grade Uranium Compounds by Inductively Coupled Plasma Mass Spectrometry
C1267-17(2022)	Standard Test Method for Uranium by Iron (II) Reduction in Phosphoric Acid Followed by Chromium (VI) Titration in the Presence of Vanadium
C859-24	Standard Terminology Relating to Nuclear Materials
C1428-18(2023)	Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single–Standard Gas Source Multiple Collector Mass Spectrometer Method
C1128-23	Standard Guide for Preparation of Working Reference Materials for Use in Analysis of Nuclear Fuel Cycle Materials
C787-20	Standard Specification for Uranium Hexafluoride for Enrichment
C799-19	Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
C1219-05	Standard Test Methods for Arsenic in Uranium Hexafluoride
D3084-20	Standard Practice for Alpha-Particle Spectrometry of Water

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