ASTM C761-11
Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride

Standard No.

ASTM C761-11

Release Date

2011

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM C761-18

Latest

ASTM C761-18

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 18212;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.)

ASTM C761-11 Referenced Document

• ANSI N14.1 for Nuclear Materials - Uranium Hexafluoride - Packagings for Transport
• ASTM C1128 Standard Guide for Preparation of Working Reference Materials for Use in the Analysis of Nuclear Fuel Cycle Materials
• ASTM C1219 Standard Test Methods for Arsenic in Uranium Hexafluoride
• ASTM C1233 Standard Practice for Determining Equivalent Boron Contents of Nuclear Materials
• ASTM C1267 Standard Test Method for Uranium by Iron (II) Reduction in Phosphoric Acid Followed by Chromium (VI) Titration in the Presence of Vanadium
• 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 C1344 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method
• ASTM C1346 Standard Practice for Dissolution of UF₆ from P-10 Tubes
• 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 C1428 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Multiple Collector Mass Spectrometer Method
• ASTM C1429 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double-Standard Multi-Collector Gas Mass Spectrometer
• ASTM C1441 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
• ASTM C1474 Standard Test Method for Analysis of Isotopic Composition of Uranium in Nuclear-Grade Fuel Material by Quadrupole Inductively Coupled Plasma-Mass Spectrometry*， 2024-04-19 Update
• ASTM C1477 Standard Test Method for Isotopic Abundance Analysis of Uranium Hexafluoride and Uranyl Nitrate Solutions by Multi-Collector, Inductively Coupled Plasma-Mass Spectrometry
• ASTM C1508 Standard Test Method for Determination of Bromine and Chlorine in UF6 and Uranyl Nitrate by X-Ray Fluorescence (XRF) Spectroscopy
• ASTM C1539 Standard Test Method for Determination of Technetium-99 in Uranium Hexafluoride by Liquid Scintillation Counting
• ASTM C1561 Standard Guide for Determination of Plutonium and Neptunium in Uranium Hexafluoride and U-Rich Matrix by Alpha Spectrometry
• ASTM C1636 Standard Guide for Determination of Uranium-232 in Uranium Hexafluoride
• ASTM C1689 Standard Practice for Subsampling of Uranium Hexafluoride*， 2024-04-19 Update
• ASTM C1742 Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Double Standard Single-Collector Gas Mass Spectrometer Method
• ASTM C787 Standard Specification for Uranium Hexafluoride for Enrichment
• ASTM C799 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
• ASTM C859 Standard Terminology Relating to Nuclear Materials
• ASTM C996 Standard Specification for Uranium Hexafluoride Enriched to Less Than 5% 235U1
• ASTM D1193 Standard Specification for Reagent Water
• ASTM D3084 Standard Practice for Alpha-Particle Spectrometry of Water
• ASTM E60 Standard Practice for Analysis of Metals, Ores, and Related Materials by Molecular Absorption Spectrometry
• ISO 7195 Nuclear energy — Packagings for the transport of uranium hexafluoride (UF6) — Amendment 1

ASTM C761-11 history

• 2018 ASTM C761-18 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 2011 ASTM C761-11 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 2004 ASTM C761-04e1 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 2004 ASTM C761-04 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 2001 ASTM C761-01e1 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 2001 ASTM C761-01 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
• 1996 ASTM C761-96 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride