ASTM-C1913:2021 Edition

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C1913-21 Standard Practice for Sampling Gaseous Uranium Hexafluoride Using Zeolite in Single-Use Destructive Assay Sampler

Published By	Publication Date	Number of Pages
ASTM	2021	6

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Categories: 27.120.30 - Fissile materials and nuclear fuel technology, ASTM

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Description

ASTM C1913-21

Active Standard: Standard Practice for Sampling Gaseous Uranium Hexafluoride Using Zeolite in Single-Use Destructive Assay Sampler

ASTM C1913

Scope

1.1 This practice is applicable to sampling gaseous uranium hexafluoride (UF₆) from processing facilities, isotope enrichment cascades or storage cylinders, using the sorbent properties of zeolite in a single-use destructive assay (SUDA) sampler.

1.2 This practice is based on the SUDA method developed at Pacific Northwest National Laboratory (1)2 for collection of samples of UF₆ for determination of uranium isotopic content for nuclear material safeguards and other applications.

1.3 The UF₆ collected is converted to uranyl fluoride (UO₂F₂), allowing samples to be handled and categorized for transport under less stringent conditions than are required for UF₆.

1.4 This practice can be used to collect samples for safeguards measurements. Safeguards samples collected with this practice have been shown to provide suitable isotopic measurements (1).

1.5 This practice has not been demonstrated for suitability for compliance with Specifications C787 and C996. Practices C1052 or C1703 can be used to collect samples for compliance with these specifications.

1.6 The scope of this practice does not include provisions for preventing criticality.

1.7 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.8 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

enrichment; nuclear material safeguards; uranium hexafluoride sampling; uranium isotope ratios; uranium isotopic composition;

ICS Code

ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)

DOI: 10.1520/C1913-21

Additional information

Standard Title	C1913-21 Standard Practice for Sampling Gaseous Uranium Hexafluoride Using Zeolite in Single-Use Destructive Assay Sampler
Published Code	ASTM
Publication Date	2021
Pages Count	6
ICS Codes	27.120.30 - Fissile materials and nuclear fuel technology