Design and reality : continuous-flow accelerator mass spectrometry (CFAMS)
von Reden, Karl F.
Roberts, Mark L.
McIntyre, Cameron P.
Burton, Joshua R.
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In 2007 we published the design of a novel accelerator mass spectrometry (AMS) system capable of analyzing gaseous samples injected continuously into a microwave plasma gas ion source. Obvious advantages of such a system are drastically reduced processing times and avoidance of potentially contaminating chemical preparation steps. Another paper in these proceedings will present the progress with the development of the microwave gas ion source that has since been built and tested at the National Ocean Sciences AMS Facility in Woods Hole. In this paper we will review the original design and present updates, reflecting our recent encouraging experience with the system. A simple summary: large acceptance ion beam optics design is beneficial to accelerator mass spectrometry in general, but essential to AMS with plasma gas ion sources.
Author Posting. © The Author(s), 2010. This is the author's version of the work. It is posted here by permission of Elsevier B.V. for personal use, not for redistribution. The definitive version was published in Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 269 (2011): 3176–3179, doi:10.1016/j.nimb.2011.04.019.
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von Reden, Karl F.; Roberts, Mark L.; Burton, Joshua R.; Beaupre, Steven R. (2011-09)A 2.45 GHz microwave ion source coupled with a magnesium charge exchange canal (CxC) has been successfully adapted to a large acceptance radiocarbon accelerator mass spectrometry system at the National Ocean Sciences AMS ...
McIntyre, Cameron P.; Galutschek, Ernst; Roberts, Mark L.; von Reden, Karl F.; McNichol, Ann P.; Jenkins, William J. (Dept. of Geosciences, University of Arizona, 2010-08)Gas-accepting ion sources for radiocarbon accelerator mass spectrometry (AMS) have permitted the direct analysis of CO2 gas, eliminating the need to graphitize samples. As a result, a variety of analytical instruments can ...
Roberts, Mark L.; Schneider, Robert J.; von Reden, Karl F.; Wills, J. S. C.; Han, Baoxi; Hayes, John M.; Rosenheim, Brad E.; Jenkins, William J. (2007-02)A gas-accepting microwave-plasma ion source is being developed for continuous-flow Accelerator Mass Spectrometry (AMS). Characteristics of the ion source will be presented. Schemes for connecting a gas or liquid chromatograph ...