McIntyre Cameron P.

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McIntyre
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Cameron P.
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  • Preprint
    Progress with a gas-accepting ion source for Accelerator Mass Spectrometry
    ( 2010-08) Roberts, Mark L. ; von Reden, Karl F. ; McIntyre, Cameron P. ; Burton, Joshua R.
    The National Ocean Sciences AMS (NOSAMS) facility at Woods Hole Oceanographic Institution has developed a novel, gas-accepting microwave-plasma ion-source. The source is a key component of a compact Accelerator Mass Spectrometry (AMS) system built for the analysis of 14C in a continuously flowing gas stream. The gas source produces carbon currents from a stream of CO2 with currents typical of a traditional graphite source. Details of the gas source, including ion current achieved, optimal flow rate, efficiency, and memory are presented. Additionally, data obtained from coupling a gas chromatograph to the source to will be shown.