ASTM-C1430 › Historical Revision Information
Standard Test Method for Determination of Uranium, Oxygen to Uranium (O/U), and Oxygen to Metal (O/M) in Sintered Uranium Dioxide and Gadolinia-Uranium Dioxide Pellets by Atmospheric Equilibration
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Scope
1.1 This test method applies to the determination of uranium, the oxygen to uranium (O/U) ratio in sintered uranium dioxide pellets, and the oxygen to metal (O/M) ratio in sintered gadolinium oxide-uranium dioxide pellets with a Gd2O3 concentration of up to 12 weight %. The O/M calculations assume that the gadolinium and uranium oxides are present in a metal dioxide solid solution.
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 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. For specific hazards statements, see Section 8.
Significance and Use
Uranium dioxide is used as a nuclear-reactor fuel. This test method is designed to determine whether the percent uranium and O/U or O/M content meet Specifications C776 and C922.
Keywords
atmospheric equilibration; equilibration; oxygen to metal; oxygen to uranium;Atmospheric equilibration; Equilibration; Gadolinium oxide-uranium dioxide powder/pellets; Oxygen-to-metal (O/M) ratio; Oxygen-to-uranium (O/U) atomic ratio; Sintered uranium dioxide; Uranium; ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)
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Document Number
ASTM-C1430-07(2011)e1
Revision Level
2007 R11(E1) EDITION
Status
Superseded
Modification Type
Reapproval with Ed Change
Publication Date
June 15, 2011
Document Type
Test Method
Page Count
6 pages
Committee Number
C26.05