236U analyses with the ETH Zurich MILEA prototype system
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Date
2023-01-01
Publication Type
Journal Article
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yes
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Abstract
Compact, low energy accelerator mass spectrometry (AMS) has evolved over the past years as one of the most sensitive, selective, and robust techniques for the analysis of heavy and long lived radionuclides. In this study, we focus on the analytical capabilities of the compact AMS system MILEA, mainly for 236U analyses. First, the setup of the system for actinide analyses is presented and the special technical setup for 23xU/238U (x = 3, 6, 5) is discussed. Then, the background and sensitivity for 236U/238U are studied in detail, and finally results from the first routine runs are presented and discussed. Our results show that the ETH Zurich MILEA system is ideally suited for fast, reliable, high sensitivity, and almost background free analyses of 236U/238U in environmental samples allowing the analysis of larger batches of samples with reasonably small sample sizes or volumes.
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published
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Volume
534
Pages / Article No.
61 - 71
Publisher
Elsevier
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Date collected
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Subject
Accelerator Mass Spectrometry; Actinides; Compact AMS; MILEA; U-236; Puisotopes
Organisational unit
08619 - Labor für Ionenstrahlphysik (LIP) / Laboratory of Ion Beam Physics (LIP)
Notes
Funding
197137 - New Developments in Ion Beam Physics (SNF)