Recent developments in resonance ionization mass spectrometry for ultra-trace analysis of actinide elements

Author:

Raeder Sebastian123,Kneip Nina1,Reich Tobias4,Studer Dominik1,Trautmann Norbert4,Wendt Klaus1

Affiliation:

1. Institut für Physik , Johannes Gutenberg-Universität Mainz , 55099 Mainz , Germany

2. Helmholtz-Institut Mainz , 55099 Mainz , Germany

3. GSI Gesellschaft für Schwerionenforschung GmbH , 64291 Darmstadt , Germany

4. Institut für Kernchemie , Johannes Gutenberg-Universität Mainz , 55099 Mainz , Germany

Abstract

Abstract Resonance ionization mass spectrometry is an efficient tool to detect minute amounts of long-lived radio-isotopes in environmental samples. Applying resonant excitation and ionization with pulsed laser radiation within a hot cavity atomizer enables the sensitive detection and precise quantification of long-lived actinide isotopes. Due to the inherently element selective ionization process, this method ensures ultimate suppression of contaminations from other elements and molecules. The characterization of in-source resonance ionization of the actinide elements U, Th, Np, and Am using a compact quadrupole mass spectrometer (QMS) setup are discussed.

Funder

Bundesministerium für Bildung und Forschung

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

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