Published:Journal of Chromatographic Science,
ISSN 0021-9665 Volume
47, Number 7, August 2009, pp. 545-548
Separation of Actinides Using Capillary Extraction
Chromatography–Inductively Coupled Plasma Mass Spectrometry
Dominic S. Peterson and Velma M. Montoya
Chemistry Division, Los Alamos National Laboratory
Trace levels of actinides have been separated
on capillary extraction chromatography columns. Detection of
the actinides was achieved using an inductively coupled plasma
mass spectrometer, which was coupled with the extraction chromatography
system. In this study, we compare 30-cm long, 4.6 mm i.d. columns
to capillary columns (750 µm i.d.) with lengths from 30
cm up to 150 cm. The columns that were tested were packed with
TRU resin. We were able to separate a mixture of five actinides
(232Th, 238U, 237Np, 239Pu,
and 241Am). This work has application
to rapid bioassay as well as automated separations of actinide
materials.
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