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Description of ASTM-C787 2011ASTM C787 - 11Standard Specification for Uranium Hexafluoride for EnrichmentActive Standard ASTM C787 | Developed by Subcommittee: C26.02 Book of Standards Volume: 12.01
Translated Standard: Russian ASTM C787Abstract This specification covers uranium hexafluoride intended for feeding to an enrichment plant. Plants preparing uranium hexafluoride will have to control the purity of process chemicals and also employ low corrosion equipment to be successful in meeting the specifications for most impurities. Chemical and isotopic analysis of the material shall conform to the requirements prescribed. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers uranium hexafluoride (UF 6 ) intended for feeding to an enrichment plant. Included are specifications for UF 6 derived from unirradiated natural uranium and UF 6 derived from irradiated uranium that has been reprocessed and converted to UF 6 for enrichment and subsequent reuse. The objectives of this specification are twofold: ( 1 ) To define the impurity and uranium isotope limits for Commercial Natural UF 6 feedstock so that the corresponding enriched uranium is essentially equivalent to enriched uranium made entirely from virgin natural UF 6 ; and ( 2 ) To define additional limits for Reprocessed UF 6 (or any mixture of Reprocessed UF 6 and Commercial Natural UF 6 ). For such UF 6 , special provisions may be needed to ensure that no extra hazard arises to the work force, process equipment, or the environment. 1.2 The scope of this specification does not comprehensively cover all provisions for preventing criticality accidents or requirements for health and safety or for shipping. Observance of this specification does not relieve the user of the obligation to conform to all international, federal, state, and local regulations for processing, shipping, or in any other way using UF 6 (see, for example, TID-7016, DP-532, ORNL-NUREG-CSD-6, and DOE O 474.1). 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
ASTM Standards C761 Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride C859 Terminology Relating to Nuclear Materials C996 Specification for Uranium Hexafluoride Enriched to Less Than 5 % 235U C1052 Practice for Bulk Sampling of Liquid Uranium Hexafluoride C1295 Test Method for Gamma Energy Emission from Fission Products in Uranium Hexafluoride and Uranyl Nitrate Solution C1703 Practice for Sampling of Gaseous Uranium Hexafluoride ANSI Standard N14.1 Packaging of Uranium Hexafluoride for Transport Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.U.S. Government Documents ControlandAccountabiKeywords low enriched uranium; natural uranium; nuclear fuel; reprocessed uranium; uranium enrichment; uranium hexafluoride; ICS Code ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology) DOI: 10.1520/C0787-11 ASTM International is a member of CrossRef. ASTM C787The following editions for this book are also available...
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