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Standard Test Method for Isotopic Analysis of Uranium Hexafluoride by Single-Standard Gas Source Mass Spectrometer Method (Withdrawn 2020)
Automaticky přeložený název:
Standardní zkušební metoda pro provádění izotopické analýzy hexafluoridu uranu pomocí Single-standard Gas Zdroj hmotnostní spektrometr metody
NORMA vydána dne 1.7.2013
Označení normy: ASTM C1344-97(2013)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.7.2013
Kód zboží: NS-10777
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
single-standard gas source mass spectrometers, uranium hexafluorides, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)
Significance and Use | ||||
5.1 Uranium hexafluoride is a basic material used to prepare nuclear reactor fuel. To be suitable for this purpose, the material must meet the criteria for isotopic composition. This test method is designed to determine whether the material meets the requirements described in Specifications C787 and C996. 5.2 ASTM Committee C-26 Safeguards Statement: 5.2.1 The material (uranium hexafluoride) to which this test method applies is subject to the nuclear safeguards regulations governing its possession and use. The analytical procedure in this test method has been designated as technically acceptable for generating safeguards accountability data. 5.2.2 When used in conjunction with appropriate certified reference materials (CRMs), this procedure can demonstrate traceability to the national measurement base. However, adherence to this procedure does not automatically guarantee regulatory acceptance of the regulatory safeguards measurements. It remains the sole responsibility of the user of this test method to ensure that its application to safeguards has the approval of the proper regulatory authorities. |
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1. Scope | ||||
1.1 This test method covers the isotopic analysis of uranium hexafluoride (UF6) and may be used for the entire range of 235U isotopic compositions for which standards are available. 1.2 This test method is applicable to the determination of the isotopic relationship between two UF1.3 The sensitivity with which differences between two materials can be detected depends on the measuring system used, but ratio-measuring devices can generally read ratio-of-mol ratio differences as small as 0.0001. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 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.
Standard Specification for Uranium
Hexafluoride for Enrichment Standard Specification for Uranium
Hexafluoride Enriched to Less Than 5 % 235U |
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