Titel
Detection of 135Cs & 137Cs in environmental samples by AMS
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Abstract
The detection of low abundances of 135Cs in environmental samples is of significant interest in different fields of environmental sciences, especially in combination with its shorter-lived sister isotope 137Cs. The method of Ion–Laser InterAction Mass Spectrometry (ILIAMS) for barium separation at the Vienna Environmental Research Accelerator (VERA) was investigated and further improved for low abundance cesium detection. The difluorides BaF−2 and CsF−2 differ in their electron detachment energies and make isobar suppression with ILIAMS by more than 7 orders of magnitude possible. By this method, samples with ratios down to the order of 135,137Cs/133Cs ≈ 10−11 are measurable and the 135Cs/137Cs ratios of first environmental samples were determined by AMS.
Stichwort
Laser photodetachmentIon cooler137Cs135CsAccelerator mass spectrometryILIAMS
Objekt-Typ
Sprache
Englisch [eng]
Persistent identifier
phaidra.univie.ac.at/o:1958769
Erschienen in
Titel
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Band
538
ISSN
0168-583X
Erscheinungsdatum
2023
Seitenanfang
36
Seitenende
40
Publication
Elsevier BV
Fördergeber
Europäische Union (alle Programme) — 824096
Erscheinungsdatum
2023
Zugänglichkeit
Rechte
Rechteangabe
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