PU and NP analysis of soil and sediment samples with ICP-MS

A method to analyse Pu and Np was optimised to achieve low detection limits and high sample throughput. Soil and sediment samples were ashed and digested with a borate fusion. After dissolving the melt in nitric acid, Pu and Np were separated on a TEVA extraction chromatopraphy column. It was measur...

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Bibliographic Details
Published in:Applied radiation and isotopes 2009-05, Vol.67 (5), p.821-827
Main Authors: Röllin, S., Sahli, H., Holzer, R., Astner, M., Burger, M.
Format: Article
Language:English
Subjects:
Fusion
Geologic Sediments - analysis
ICP-MS
Mass Spectrometry - methods
Neptunium
Neptunium - analysis
Neptunium - isolation & purification
Plutonium
Plutonium - analysis
Plutonium - isolation & purification
Reference Standards
Rivers
Sediment
Soil
Soil Pollutants, Radioactive - analysis
Soil Pollutants, Radioactive - isolation & purification
Switzerland
Water Pollutants, Radioactive - analysis
Water Pollutants, Radioactive - isolation & purification
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Summary:A method to analyse Pu and Np was optimised to achieve low detection limits and high sample throughput. Soil and sediment samples were ashed and digested with a borate fusion. After dissolving the melt in nitric acid, Pu and Np were separated on a TEVA extraction chromatopraphy column. It was measured with a sector field ICP-MS. Detection limits in soils and sediments as low as 1×10 −15 g/g for Pu and Np were achieved. The method was applied to reference materials, soil profiles from Switzerland and sediment samples from the river Yenisei (RU), where radioactive nuclides have been discharged.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2009.01.041