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Accelerator Mass Spectrometry Measurement of 240 Pu/ 239 Pu Isotope Ratios in Novaya Zemlya and Kara Sea Sediments

Oughton, D; Skipperud, Lindis; Fifield, L Keith; Cresswell, Richard; Salbu, Brit; Day, Philip


Generally low levels of plutonium in environmental samples, often combined with limited sample sizes, necessitate reliable low-level techniques for determination of Pu isotopes. Accelerator mass spectrometry (AMS) has proved to be a powerful method for measuring low-level Pu activity concentrations and Pu isotope ratios. Based on procedural blanks, detection limits for AMS were below 1fg Pu (equivalent to ca. 2μBq 139Pu), which can compete with both TIMS, high sensitivity ICP-MS, and certainly...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Applied Radiation and Isotopes
DOI: 10.1016/j.apradiso.2004.03.054


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