Dual imaging of uranium ore by Laser Ablation Inductively Coupled Plasma Mass Spectrometry and Laser Induced Breakdown Spectroscopy

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Authors

HOLÁ Markéta NOVOTNÝ Karel DOBEŠ Jan KREMPL Ivo WERTICH Vojtěch MOZOLA Juraj KUBEŠ Martin FALTUSOVÁ Veronika LEICHMANN Jaromír KANICKÝ Viktor

Year of publication 2021
Type Article in Periodical
Magazine / Source Spectrochimica Acta, Part B: Atomic Spectroscopy
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/pii/S058485472100269X
Doi http://dx.doi.org/10.1016/j.sab.2021.106312
Keywords LA-ICP-MS; LIBS; Elemental imaging; Elemental mapping; Uranium ore; Geological samples
Description The great potential in combining two elemental imaging techniques - Laser Induced Breakdown Spectroscopy (LIBS) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) is demonstrated for uranium ore sample investigation. Dual imaging provides the advantages of both methods - high speed, large area imaging and additional evaluation of the whole spectrum for LIBS, and high resolution, low detection limits and isotopic imaging for LA-ICP-MS. Special software, ILAPS, was created for data processing to ensure the consistency of the resulting element images and the possibility of their combination. This new method for merging LIBS and LA-ICP-MS imaging data allows the display of detailed structures on the background of the overall sample image. Information contained in the detailed structures together with an overall view of the sample was displayed in one image to visualise the complete data from both methods. The effectiveness and usefulness of this new approach were demonstrated in identifying the structures responsible for elements migration in the uranium ore sample.
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