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Issue 3, 2010
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Rapid and automated sequential determination of ultra-trace long-lived actinides in air filters by inductively coupled plasma mass spectrometry

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Abstract

A novel, rapid and completely automated method for the determination of long-lived actinides in air particulate samples was developed using ion chromatography separation prior to ICP-MS analyses. U, Pu and Am were pre-concentrated and separated from radioactive and stable interferences through a sequential arrangement of three columns (TEVA, U/TEVA, DGA) arranged in order to allow selective retention of the radioisotope on the designated resin. Detection and quantification of the various radioisotopes were performed on-line using inductively coupled plasma mass spectrometry (ICP-MS). Detection limits of 0.0006 (238U), 0.0063 (239Pu), 0.0041 (240Pu), 0.062 (241Am) μBq/m3 were obtained for air filters (based on 3000 m3 of air filtered). The automated procedure has been successfully tested on SRMs and spiked samples and showed high recovery yields (>90%). A total analysis time of 18 min is required for the separation, detection, and column rinsing/regeneration for subsequent analysis.

Graphical abstract: Rapid and automated sequential determination of ultra-trace long-lived actinides in air filters by inductively coupled plasma mass spectrometry

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Publication details

The article was received on 02 Oct 2009, accepted on 23 Dec 2009 and first published on 15 Jan 2010


Article type: Paper
DOI: 10.1039/B9AY00197B
Citation: Anal. Methods, 2010,2, 259-267
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    Rapid and automated sequential determination of ultra-trace long-lived actinides in air filters by inductively coupled plasma mass spectrometry

    D. Larivière, K. Benkhedda, S. Kiser, S. Johnson and R. J. Cornett, Anal. Methods, 2010, 2, 259
    DOI: 10.1039/B9AY00197B

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