Rare earth element determination in silicate rocks using neutron activation analysis and mass spectrometry |
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| Authors: | M. J. M. Duke A. D. Smith |
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| Affiliation: | (1) SLOWPOKE Reactor Facility, University of Alberta, T6G 2E1 Edmonton, Alberta, (Canada);(2) Department of Geology, University of Alberta, T6G 2E1 Edmonton, Alberta, (Canada) |
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| Abstract: | A pre-irradiation group separation procedure for the quantification of 11 to 13 rare earth elements (REE) in geological materials by neutron activation analysis, with yield determination by mass spectrometry isotope dilution analysis of Sm and Nd, is described. Utilization of the shorterlived isotopes of the REE allow sufficient data for most geochemical studies to be obtained within one day of irradiation, although where necessary additional information may be obtained following a decay period of three to four weeks. Analysis of selected USGS rock standards shows the method to be both accurate and precise. |
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