Isolation of Pu-isotopes from environmental samples using ion chromatography for accelerator mass spectrometry and alpha spectrometry

A radiochemical method for the isolation of plutonium-isotopes from environmental samples, based on the use of specific extraction chromatography resins for actinides (TEVA ®, Eichrom Industries, Inc.), has been set up in our laboratory and optimised for their posterior determination by alpha spectr...

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Bibliographic Details
Published in:Analytica chimica acta 2008-01, Vol.606 (2), p.239-245
Main Authors: Chamizo, E., Jiménez-Ramos, M.C., Wacker, L., Vioque, I., Calleja, A., García-León, M., García-Tenorio, R.
Format: Article
Language:English
Subjects:
Accelerator mass spectrometry
Alpha Particles
Alpha spectrometry
Analytical chemistry
Applied sciences
Chemistry
Chromatographic methods and physical methods associated with chromatography
Dysprosium - chemistry
Exact sciences and technology
Global environmental pollution
Mass Spectrometry - instrumentation
Mass Spectrometry - methods
Other chromatographic methods
Particle Accelerators
Plutonium
Plutonium - analysis
Pollution
Radioactive Waste - analysis
Radiochemical methods
Radioisotopes - analysis
Radioisotopes - chemistry
Reproducibility of Results
Soil Pollutants, Radioactive - analysis
Spectrometric and optical methods
TEVA
Thorium - chemistry
Uranium - chemistry
Water Pollutants, Radioactive - analysis
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Summary:A radiochemical method for the isolation of plutonium-isotopes from environmental samples, based on the use of specific extraction chromatography resins for actinides (TEVA ®, Eichrom Industries, Inc.), has been set up in our laboratory and optimised for their posterior determination by alpha spectrometry (AS) or accelerator mass spectrometry (AMS). The proposed radiochemical method has replaced in our lab a well-established one based on the use of a relatively un-specific anion-exchange resin (AG ® 1X8, Bio-rad Laboratories, Inc.), because it is clearly less time consuming, reduces the amounts and molarities of acid wastes produced, and reproducibly gives high radiochemical yields. In order to check the reliability of the proposed radiochemical method for the determination of plutonium-isotopes in different environmental matrixes, twin aliquots of a set of samples were prepared with TEVA ® and with AG ® 1X8 resins and measured by AS. Some samples prepared with TEVA ® resins were measured as well by AMS. As it is shown in the text, there is a comfortable agreement between AS and AMS, which adequately validates the method.
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2007.11.005