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ASTM C 1816 : 2016 : REDLINE

Current
Current

The latest, up-to-date edition.

Standard Practice for The Ion Exchange Separation of Small Volume Samples Containing Uranium, Americium, and Plutonium Prior to Isotopic Abundance and Content Analysis
Available format(s)

PDF

Language(s)

English

Published date

01-15-2016

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 12.01, 2016 Pertains to Practice C 1411 for the ion exchange separation in small mass samples ([sim]5 mug of plutonium and up to 0.5 mg of uranium in 1 mL of solution) of uranium and plutonium from each other and from other impurities for subsequent isotopic abundance and content analysis by thermal ionization mass spectrometry (TIMS).

1.1This practice is an alternative to Practice C1411 for the ion exchange separation in small mass samples (~5 μg of plutonium and up to 0.5 mg of uranium in 1 mL of solution) of uranium and plutonium from each other and from other impurities for subsequent isotopic abundance and content analysis by thermal ionization mass spectrometry (TIMS). In addition to being adapted to smaller sample sizes, this practice also avoids the use of hydrochloric acid (HCl) and hydrofluoric acid (HF) and does not require the use of two anion exchange columns as required in Practice C1411.

1.2In chemically unseparated samples isobaric nuclides at mass 238 (238U and 238Pu), and mass 241 (241Pu and 241Am) will be measured together thus compromising the accuracy of the results of isotopic composition of Pu. Therefore, chemical separation of elements is essential prior to isotopic analyses. Concentrations and volumes given in the paragraphs below can be modified for larger sample sizes, different types of anion exchange resin, etc.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This 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.

Committee
C 26
DocumentType
Redline
Pages
6
PublisherName
American Society for Testing and Materials
Status
Current

ASTM C 1672 : 2017 : REDLINE Standard Test Method for Determination of Uranium or Plutonium Isotopic Composition or Concentration by the Total Evaporation Method Using a Thermal Ionization Mass Spectrometer

ASTM C 1411 : 2014 : REDLINE Standard Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis
ASTM C 1625 : 2012 : REDLINE Standard Test Method for Uranium and Plutonium Concentrations and Isotopic Abundances by Thermal Ionization Mass Spectrometry
ASTM C 698 : 2016 : REDLINE Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O<inf>2</inf>)
ASTM C 833 : 2017 : REDLINE Standard Specification for Sintered (Uranium-Plutonium) Dioxide Pellets for Light Water Reactors
ASTM C 1672 : 2017 : REDLINE Standard Test Method for Determination of Uranium or Plutonium Isotopic Composition or Concentration by the Total Evaporation Method Using a Thermal Ionization Mass Spectrometer
ASTM C 1168 : 2015 : REDLINE Standard Practice for Preparation and Dissolution of Plutonium Materials for Analysis

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