Standard Historical Last Updated: Aug 04, 2020 Track Document
ASTM C1411-14

Standard Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis

Standard Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis C1411-14 ASTM|C1411-14|en-US Standard Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis Standard new BOS Vol. 12.01 Committee C26
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Significance and Use

5.1 Uranium and plutonium are used in nuclear reactor fuel and must be analyzed to insure that they meet certain criteria for isotopic composition as described in Specification C833 and Specification C1008. This standard practice is used to chemically separate the same mass peak interferences from uranium and plutonium and from other impurities prior to isotopic abundance determination by thermal ionization mass spectrometry.

5.2 In those facilities where perchloric acid use is tolerated, the separation in Test Method C698 may be used prior to isotopic abundance determination. Uranium and plutonium concentrations as well as isotopic abundances using thermal ionization mass spectrometry can be determined using this separation and following Test Method C1625.

Scope

1.1 This practice is for the ion exchange separation of uranium and plutonium from each other and from other impurities for subsequent isotopic analysis by thermal ionization mass spectrometry. Plutonium–238 and uranium–238, and plutonium–241 and americium–241, will appear as the same mass peak and must be chemically separated prior to analysis. Only high purity solutions can be analyzed reliably using thermal ionization mass spectrometry.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard may involve hazardous material, 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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 12.01
Developed by Subcommittee: C26.05
Pages: 4
DOI: 10.1520/C1411-14
ICS Code: 27.120.30