ASTM-C698 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O2)

ASTM-C698 - 2016 EDITION - CURRENT
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Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O2)
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Scope

1.1 These test methods cover procedures for the chemical, mass spectrometric, and spectrochemical analysis of nuclear-grade mixed oxides, (U, Pu)O2, powders and pellets to determine compliance with specifications.

1.2 The analytical procedures appear in the following order:

 

Sections

Uranium in the Presence of Pu by Potentiometric Titration

  2

Plutonium by Controlled-Potential Coulometry

  2

Plutonium by Amperometric Titration with Iron (II)

  2

Nitrogen by Distillation Spectrophotometry Using Nessler Reagent

8 to 15

Carbon (Total) by Direct Combustion-Thermal Conductivity

16 to 26

Total Chlorine and Fluorine by Pyrohydrolysis

27 to 34

Sulfur by Distillation-Spectrophotometry

35 to 43

Moisture by the Coulometric, Electrolytic Moisture Analyzer

44 to 51

Isotopic Composition by Mass Spectrometry

  3

Rare Earths by Copper Spark Spectroscopy

52 to 59

Trace Impurities by Carrier Distillation Spectroscopy

60 to 68

Impurities by Spark-Source Mass Spectrography

69 to 75

Total Gas in Reactor-Grade Mixed Dioxide Pellets

   4

Tungsten by Dithiol-Spectrophotometry

76 to 84

Rare Earth Elements by Spectroscopy

85 to 88

Plutonium-238 Isotopic Abundance by Alpha Spectrometry

  5

Americium-241 in Plutonium by Gamma-Ray Spectrometry

Uranium and Plutonium Isotopic Analysis by Mass Spectrometry

89 to 97

Oxygen-to-Metal Atom Ratio by Gravimetry

98 to 105

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

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. (For specific safety precaution statements, see Sections 6, 13.2.5, 41.7, and 93.6.1.)

Keywords

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

To find similar documents by ASTM Volume:

12.01 (Nuclear Energy (I))

To find similar documents by classification:

27.120.30 (Fissile materials and nuclear fuel technology Including raw materials Radioactive wastes, see 13.030.30)

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Document Number

ASTM-C698-16

Revision Level

2016 EDITION

Status

Current

Modification Type

Revision

Publication Date

July 1, 2016

Document Type

Test Method

Page Count

27 pages

Committee Number

C26.05