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ASTM-C1348:2008 Edition

ASTM-C1348:2008 Edition

$40.63

C1348-01(2008) Standard Specification for Blended Uranium Oxides with 235U Content of Less Than 5 % for Direct Hydrogen Reduction to Nuclear Grade Uranium Dioxide

Published By Publication Date Number of Pages
ASTM 2008 5
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ASTM C1348-01-Reapproved2008

Withdrawn Standard: Standard Specification for Blended Uranium Oxides with 235U Content of Less Than 5 % for Direct Hydrogen Reduction to Nuclear Grade Uranium Dioxide (Withdrawn 2013)

ASTM C1348

Scope

1.1 This specification covers blended uranium trioxide (UO3), U3O8, or mixtures of the two, powders that are intended for conversion into a sinterable uranium dioxide (UO2) powder by means of a direct reduction process. The UO2 powder product of the reduction process must meet the requirements of Specification C 753 and be suitable for subsequent UO2 pellet fabrication by pressing and sintering methods. This specification applies to uranium oxides with a 235U enrichment less than 5 %.

1.2 This specification includes chemical, physical, and test method requirements for uranium oxide powders as they relate to the suitability of the powder for storage, transportation, and direct reduction to UO2 powder. This specification is applicable to uranium oxide powders for such use from any source.

1.3 The scope of this specification does not comprehensively cover all provisions for preventing criticality accidents, for health and safety, or for shipping. Observance of this specification does not relieve the user of the obligation to conform to all international, national, state, and local regulations for processing, shipping, or any other way of using uranium oxide powders (see 2.2 and 2.3).

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 The following safety hazards caveat pertains only to the test methods portion of the annexes in this specification: 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.

Keywords

conversion; nuclear fuel; reduction; uranium dioxide; uranium oxide ^INDEX TERMS: Blended uranium oxides; Conversion; Nuclear fuels (reactor)–specifications; Nuclear materials/applications–specifications; Reduction; Sinterability; Uranium–specifications; Uranium dioxide; Uranium oxide (U3O8); Uranium trioxide

ICS Code

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

DOI: 10.1520/C1348-01R08

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Isotopic Content
Physical and Chemical Requirements
TABLE 1
3 Lot Requirements
Test Methods
Certification
Packaging and Marking
Quality Assurance
Keywords
A1. REDUCTION AND SINTERABILITY TESTS
A1.1 Purpose
A1.2 Reduction to UO2
A1.3 Fabrication of the Test Pellets
4 A1.4 Density Determination
A1.5 Sintered Pellet Performance Test
A2. SAMPLING
A2.1
A2.2
A2.3
A2.4
A2.5
A2.6
A2.7
A2.8

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