ASTM C 1514 : 2008 : R2017
Current
The latest, up-to-date edition.
Standard Test Method for Measurement of 235U Fraction Using Enrichment Meter Principle
Hardcopy , PDF
English
01-01-2017
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 12.01, 2017 Defines the quantitative determination of the fraction of [235]U in uranium using measurement of the 185.7 keV gamma-ray produced during the decay of [235]U.
| Committee |
C 26
|
| DocumentType |
Test Method
|
| Pages |
9
|
| ProductNote |
Reconfirmed 2017
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
1.1This test method covers the quantitative determination of the fraction of 235U in uranium using measurement of the 185.7 keV gamma-ray produced during the decay of 235U.
1.2This test method is applicable to items containing homogeneous uranium-bearing materials of known chemical composition in which the compound is considered infinitely thick with respect to 185.7 keV gamma-rays.
1.3This test method can be used for the entire range of 235U fraction as a weight percent, from depleted (0.2 % 235U) to highly enriched (97.5 % 235U).
1.4Measurement of items that have not reached secular equilibrium between 238U and 234Th may not produce the stated bias when low-resolution detectors are used with the computational method listed in Annex A2.
1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6This standard may involve hazardous materials, operations, and equipment. 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.
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