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Differential Mobility Spectrometry-Mass Spectrometry (DMS-MS) for Uranium Ion Prefiltration to Improve Isotope Ratio Analysis
preprintsubmitted on 20.11.2020, 17:18 and posted on 23.11.2020, 12:35 by Ifeoluwa Ayodeji, Nelson Rapalo Perdomo, Jacob T. Shelley, Theresa Evans-Nguyen
We demonstrate chemical noise filtration by differential mobility spectrometry (DMS) ahead of an ion trap mass analyzer. Use of DMS enables 10x improved accuracy in the isotope ratio measurement made for a sample of natural uranium.