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Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/4215
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| Title: | Separation and measurement of thorium, plutonium, americium, uranium and strontium in environmental matrices |
| Authors: | Harrison, JJ Zawadzki, A Chisari, R Wong, HKY |
| Keywords: | THORIUM PLUTONIUM URANIUM STRONTIUM AMERICIUM SEPARATION PROCESSES |
| Issue Date: | 1-Oct-2011 |
| Publisher: | ELSEVIER |
| Citation: | Harrison, J. J., Zawadzki, A., Chisari, R., Wong, H. K. Y. (2011). Separation and measurement of thorium, plutonium, americium, uranium and strontium in environmental matrices. South Pacific Environmental Radioactivity Association: 2008 conference. In Journal of Environmental Radioactivity, 102(10), 896-900. |
| Abstract: | A technique for the isolation of thorium (Th), plutonium (Pu), americium (Am), uranium (U) and strontium (Sr) isotopes from various environmental matrices has been adapted from a previously published method specific to water samples (Maxwell, 2006). Separation and isolation of the various elemental fractions from a single sub-sample is possible, thereby eliminating the need for multiple analyses. The technique involves sample dissolution, concentration via calcium phosphate co-precipitation, rapid column extraction using TEVA™, TRU™ and Sr-Spec™ resin cartridges, alpha spectrometry for Th, Pu, U and Am and Cerenkov counting for Sr. Various standard reference materials were analysed and chemical yields are in the range of 70–80% for Th, Am, U and Sr and 50–60% for Pu. Sample sizes of up to 10 L for water, 5 g for dry soil and sediment and 10 g for dry vegetation and seaweed can be processed using this technique. Copyright © 2010 Elsevier Ltd. All rights reserved. |
| URI: | http://dx.doi.org/10.1016/j.jenvrad.2010.05.010 http://apo.ansto.gov.au/dspace/handle/10238/4215 |
| ISSN: | 0265-931X |
| Appears in Collections: | Conference Publications |
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