Determination of concentrations of fission products by ICP–AES in solutions from spent nuclear fuel reprocessing

A procedure was developed for determining the gravimetric concentration of U and fission products (Ba, Mo, Zr, Sr, Rb, Pd, and Cd) in solutions from spent nuclear fuel (SNF) reprocessing, using inductively coupled plasma atomic emission spectrometry (ICP–AES). The optimum analysis parameters were fo...

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Published inRadiochemistry (New York, N.Y.) Vol. 59; no. 6; pp. 618 - 623
Main Authors Naumova, Yu. A., Sapozhnikova, N. V., Egorova, O. N., Lumpov, A. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.11.2017
Springer Nature B.V
Subjects
Barium
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Emission analysis
Error analysis
Fission products
Gravimetry
Inductively coupled plasma
Nuclear Chemistry
Nuclear fuel reprocessing
Nuclear fuels
Palladium
Radioactive wastes
Spent nuclear fuels
Strontium
Uranium
Zirconium
uranium
extraction
atomic emission spectrometry
fission products
spent nuclear fuel
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Summary:A procedure was developed for determining the gravimetric concentration of U and fission products (Ba, Mo, Zr, Sr, Rb, Pd, and Cd) in solutions from spent nuclear fuel (SNF) reprocessing, using inductively coupled plasma atomic emission spectrometry (ICP–AES). The optimum analysis parameters were found. The analytical lines that are not significantly affected by the matrix element were chosen for the elements being determined. The total margin of error in measurements of the metal concentrations (0.1–2500 mg L –1 ) by the suggested procedure is in the interval 1–20% (for the minimal concentration). The detection thresholds of uranium fission products in model solutions at optimum parameters vary in the interval from 0.020 to 0.1 mg L –1 .
ISSN:1066-3622
1608-3288
DOI:10.1134/S1066362217060108