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Ultra-sensitive measurements of 36Cl and 236U at the Australian National University

Fifield, L Keith; Tims, Stephen; Stone, John O; Argento, David C.; De Cesare, M.

Description

Some potential applications of the isotopes 36Cl and 236U require higher sensitivity than is normally required or achieved. For 36Cl, one such application is the measurement of the 36Cl/Cl ratio of seawater. We show that, with appropriate precautions to reduce the effect of ion-source memory, it is possible to reach blank levels below 10-16 in the 36Cl/Cl ratio. Measurements of a series of seawater and sea salt samples yield a blank-corrected 36Cl/Cl ratio of present-day sea water of 0.71 ±...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Conference paper
URI: http://hdl.handle.net/1885/71379
Source: Nuclear Instruments and Methods in Physics Research Section B 294: Proceedings of the Twelfth International Conference on Accelerator Mass Spectrometry
DOI: 10.1016/j.nimb.2012.04.028

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