Automated chromatographic separation coupled on-line to ICP-MS measurements for the quantification of actinides and radiostrontium in soil samples

A new protocol for the rapid quantification of actinides (U, Th, Pu, Am and Np) and 90 Sr in soil samples has been developed. This protocol includes three steps: (1) an alkaline fusion digestion, (2) an automated separation and (3) an on-line ICP-MS measurement. Eluted fraction containing strontium...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2017-10, Vol.314 (1), p.127-139
Main Authors: Habibi, A., Cariou, N., Boulet, B., Cossonnet, C., Gurriaran, R., Gleizes, M., Cote, G., Larivière, D.
Format: Article
Language:English
Subjects:
Actinides
Automation
Chemistry
Chemistry and Materials Science
Chromatography
Design of experiments
Design optimization
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Life Sciences
Measurement
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Separation
Technology application
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Summary:A new protocol for the rapid quantification of actinides (U, Th, Pu, Am and Np) and 90 Sr in soil samples has been developed. This protocol includes three steps: (1) an alkaline fusion digestion, (2) an automated separation and (3) an on-line ICP-MS measurement. Eluted fraction containing strontium can be collected to quantify radiostrontium using off-line radiometric techniques. After an optimization of the separation protocol using a design of experiments, excellent figures of merit are achieved. These figures include high chemical recoveries (>80%) for all radionuclides investigated, low quantification limits for actinides and concordance between measured activities and reference values. This protocol allows the automated treatment (sample dissolution included) of up to 10 samples in 24 h.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-017-5360-5