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ASTM C787-11

Standard Specification for Uranium Hexafluoride for Enrichment

Automaticky preložený názov:

Štandardné špecifikácie pre hexafluoridu uránu pre obohacovanie

NORMA vydaná dňa 1.6.2011

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Informácie o norme:

Označenie normy: ASTM C787-11
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2011
Kód tovaru: NS-15069
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM C787-11 :

Keywords:
low enriched uranium, natural uranium, nuclear fuel, reprocessed uranium, uranium enrichment, uranium hexafluoride, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

Doplňujúce informácie

1. Scope

1.1 This specification covers uranium hexafluoride (UF6) intended for feeding to an enrichment plant. Included are specifications for UF6 derived from unirradiated natural uranium and UF6 derived from irradiated uranium that has been reprocessed and converted to UF6 for enrichment and subsequent reuse. The objectives of this specification are twofold: (1) To define the impurity and uranium isotope limits for Commercial Natural UF6 feedstock so that the corresponding enriched uranium is essentially equivalent to enriched uranium made entirely from virgin natural UF6; and ( 2) To define additional limits for Reprocessed UF6 (or any mixture of Reprocessed UF6 and Commercial Natural UF6). For such UF6, 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 UF6 (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.

2. Referenced Documents

C1052-20	Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride
Control and Accountability of Nuclear Materials, DOE Directive O 474.1
C761-18	Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
C859-24	Standard Terminology Relating to Nuclear Materials
C1295-24	Standard Test Method for Gamma Energy Emission from Fission and Decay Products in Uranium Hexafluoride and Uranyl Nitrate Solution
C1703-18(2023)	Standard Practice for Sampling of Gaseous Uranium Hexafluoride for Enrichment
N14.1	Packaging of Uranium Hexafluoride for Transport Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.
Inspection, Weighing, and Sampling of Uranium Hexafluoride Cylinders, Procedures for Handling and Analysis of Uranium Hexafluoride, Vol. 1,	Department of Energy Report ORO-671-1, latest revision Available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.
The UF6 Manual: Good Handling Practices for Uranium Hexafluoride, United States Enrichment Corporation Report USEC-651,	latest revision Available from United States Enrichment Corporation, 6903 Rockledge Drive, Bethesda, MD 20817.
Nuclear Safety Guide, U.S. Nuclear Regulatory Commission Report TID-7016,	Rev. 2, 1978, and ORNL-NUREG-CSD-6
Clarke, H. K., Handbook of Nuclear Safety, Department of Energy Report DP-532
C996-20	Standard Specification for Uranium Hexafluoride Enriched to Less Than 5 % 235U

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