Analytical methods for the environmental quantification of uranium isotopes: Method of validation and environmental application |
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| Authors: | D G Kelly L G I Bennett M M Fill K M Mattson K S Nielsen S D White J F Allen |
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| Institution: | (1) SLOWPOKE-2 Facility and Analytical Sciences Group, Royal Military College of Canada, P.O. Box 17000, Stn Forces, Kingston, ON, Canada;(2) Director General Nuclear Safety, Department of National Defence, National Defence Headquarters, 101 Colonel By Drive, Ottawa, ON, K1A 0K2, Canada |
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| Abstract: | The use of depleted uranium in military ordinance has led to an increasing need to determine isotope-specific uranium concentrations
in environmental matrices. To this end, gamma-ray spectrometry, ICP-MS and INAA methods have been validated, in accordance
with the ISO 17025 standard. Reporting limits of 0.21 (U-235) and 0.91 (U-238) ng/L were obtained by ICP-MS analysis of water.
Higher reporting limits were obtained for INAA (U-238 only) validations of water and gamma-ray spectrometric validations of
soil and water. Accredited methods have been used to determine uranium concentration and isotope ratio of samples obtained
from the Defence Research and Development Canada Valcartier, Quebec. |
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