Overslaan en naar de inhoud gaan
Publicaties | Personen | Instituten | Projecten
[ meld een fout in dit record ]mandje (0): toevoegen | toon Print deze pagina

Laboratory scale X-ray fluorescence tomography: instrument characterization and application in earth and environmental science
Laforce, B.; Vermeulen, B.; Garrevoet, J.; Vekemans, B.; Van Hoorebeke, L.; Janssen, C.; Vincze, L. (2016). Laboratory scale X-ray fluorescence tomography: instrument characterization and application in earth and environmental science. Anal. Chem. 88(6): 3386-3391. https://dx.doi.org/10.1021/acs.analchem.6b00137
In: Analytical chemistry. American Chemical Society: Washington. ISSN 0003-2700; e-ISSN 1520-6882, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoord
    Marien/Kust

Auteurs  Top 
  • Van Hoorebeke, L., meer
  • Janssen, C., meer
  • Vincze, L., meer

Abstract
    A new laboratory scale X-ray fluorescence (XRF) imaging instrument, based on an X-ray microfocus tube equipped with a monocapillary optic, has been developed to perform XRF computed tomography experiments with both higher spatial resolution (20 μm) and a better energy resolution (130 eV @Mn–Kα) than has been achieved up-to-now. This instrument opens a new range of possible applications for XRF-CT. Next to the analytical characterization of the setup by using well-defined model/reference samples, demonstrating its capabilities for tomographic imaging, the XRF-CT microprobe has been used to image the interior of an ecotoxicological model organism, Americamysis bahia. This had been exposed to elevated metal (Cu and Ni) concentrations. The technique allowed the visualization of the accumulation sites of copper, clearly indicating the affected organs, i.e. either the gastric system or the hepatopancreas. As another illustrative application, the scanner has been employed to investigate goethite spherules from the Cretaceous-Paleogene boundary, revealing the internal elemental distribution of these valuable distal ejecta layer particles.

Alle informatie in het Integrated Marine Information System (IMIS) valt onder het VLIZ Privacy beleid Top | Auteurs