ASTM C968-12

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

ASTM International , 01/01/2012

Publisher: ASTM

File Format: PDF

$30.00$60.00

Description

Standard By:ASTM International , 01/01/2012

Published:01/01/2012

Pages:6

File Size:1 file , 120 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

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 Combustion-Thermal 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 Distillation-Nessler Reagent (Photometric) Method	6 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 Gd₂O₃ 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 Etching	25 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.