Validation of gravimetry for high-accuracy analysis of uranium

Gravimetry after calcination is an assay method for determining the quantity of a given element from the mass measurement. This method, adapted for high concentration and purity uranium solution, has the advantage of not being related to a chemical standard and of having an extremely high trueness a...

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Bibliographic Details
Published inJournal of radioanalytical and nuclear chemistry Vol. 311; no. 3; pp. 1831 - 1838
Main Authors Ruas, Alexandre, Messaoud, Warda Ben, Rivier, Cédric, Solinhac, Isabelle, Roudil, Danièle
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.03.2017
Springer
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Cost analysis
Diagnostic Radiology
Dilution
Gravimetric analysis
Hadrons
Heavy Ions
Inorganic Chemistry
Ionization
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Physical Chemistry
Radioactive substances
Spectrometry
Uranium
Calcination
Uncertainty
Uranium
Method validation
Analysis
Gravimetry
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Summary:Gravimetry after calcination is an assay method for determining the quantity of a given element from the mass measurement. This method, adapted for high concentration and purity uranium solution, has the advantage of not being related to a chemical standard and of having an extremely high trueness and precision. Besides, the method is simple, robust and cost-effective. The results of the analytical method validation are shown. Expanded uncertainties, assessed thanks to a reference uranium nitrate solution, are lower than 0.2%. The technique can thus be used in addition to the well-known isotopic dilution thermal-ionisation mass-spectrometry.
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ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-5116-7