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ASTM International - ASTM C968-12

Standard Test Methods for Analysis of Sintered Gadolinium Oxide-Uranium Dioxide Pellets

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Organization: ASTM International
Publication Date: 1 January 2012
Status: inactive
Page Count: 6
ICS Code (Fissile materials and nuclear fuel technology): 27.120.30
significance And Use:

The test methods in this method are designed to show whether a given material is in accordance with Specification C922.

scope:

1.1 These test methods cover procedures for the analysis of sintered gadolinium oxide-uranium dioxide pellets to determine compliance with specifications.

1.2 The analytical procedures appear in the following order:

Section
Carbon (Total) by Direct CombustionThermal Conductivity Method

C1408 Test Method for Carbon (Total) in Uranium Oxide Powders and Pellets By Direct Combustion-Infrared Detection Method

Chlorine and Fluorine by Pyrohydrolysis Ion-Selective Electrode Method

C1502 Test Method for Determination of Total Chlorine and Fluorine in Uranium Dioxide and Gadolinium Oxide

Gadolinia Content by Energy-Dispersive X-Ray Spectrometry

C1456 Test Method for Determination of Uranium or Gadolinium, or Both, in Gadolinium Oxide-Uranium Oxide Pellets or by X-Ray Fluorescence (XRF)

Hydrogen by Inert Gas Fusion

C1457 Test Method for Determination of Total Hydrogen Content of Uranium Oxide Powders and Pellets by Carrier Gas Extraction

Isotopic Uranium Composition by Multiple-Filament Surface-Ionization Mass Spectrometric Method

C1413 Test Method for Isotopic Analysis of Hydrolysed Uranium Hexafluoride And Uranyl Nitrate Solutions By Thermal Ionization Mass Spectrometry

C1347 Practice for Preparation and Dissolution of Uranium Materials for Analysis

Nitrogen by DistillationNessler Reagent (Photometric) Method6 to 16
Oxygen-to-Metal Ratio of Sintered Gadolinium Oxide-Uranium Dioxide Pellets

C1430 Test Method for Determination of Uranium, Oxygen to Uranium, and Oxygen to Metal (O/M) in Sintered Uranium Dioxide and Gadolinia-Uranium Dioxide Pellets by Atmospheric Equilibration

Spectrochemical Determination of Trace Impurity Elements

C1517 Test Method for Determination of Metallic Impurities in Uranium Metal or Compounds by DC-Arc Emission Spectroscopy

Total Gas by Hot Vacuum Extraction
Ceramographic Determination of Free Gd

2O3 and Free UO2 to Estimate the Homogeneity of (U,Gd)O2 Pellets

17 to 24
Ceramographic Determination of Average Grain Size by Linear Intercept after Chemical Etching25 to 32

1.3 The values stated in SI units are to be regarded as the standard.

1.4 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.

Document History

September 1, 2019
Standard Test Methods for Analysis of Sintered Gadolinium Oxide-Uranium Dioxide Pellets
1.1 These test methods cover procedures for the analysis of sintered gadolinium oxide-uranium dioxide pellets to determine compliance with specifications. 1.2 The analytical procedures appear in the...
ASTM C968-12
January 1, 2012
Standard Test Methods for Analysis of Sintered Gadolinium Oxide-Uranium Dioxide Pellets
1.1 These test methods cover procedures for the analysis of sintered gadolinium oxide-uranium dioxide pellets to determine compliance with specifications. 1.2 The analytical procedures appear in the...
July 1, 2006
Standard Test Methods for Analysis of Sintered Gadolinium Oxide-Uranium Dioxide Pellets
1.1 These test methods cover procedures for the analysis of sintered gadolinium oxide-uranium dioxide pellets to determine compliance with specifications. 1.2 The analytical procedures appear in the...
January 10, 1999
Standard Test Methods for Analysis of Sintered Gadolinium Oxide-Uranium Dioxide Pellets
1.1 These test methods cover procedures for the analysis of sintered gadolinium oxide-uranium dioxide pellets to determine compliance with specifications. 1.2 The analytical procedures appear in the...
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