Detection of fluorine using laser-induced breakdown spectroscopy and Raman spectroscopy
Pořízka, P., Kaski, S., Hrdlička, A., Škarková, P., Sládková, L., Häkkänen, H., Prochazka, D., Novotný, J., Gadas, P., Čelko, L., Novotný, K., & Kaiser, J. (2017). Detection of fluorine using laser-induced breakdown spectroscopy and Raman spectroscopy. Journal of Analytical Atomic Spectrometry, 32(10), 1966-1974. https://doi.org/10.1039/C7JA00200A
Published inJournal of Analytical Atomic Spectrometry
DisciplineSolu- ja molekyylibiologiaFysikaalinen kemiaNanoscience CenterCell and Molecular BiologyPhysical ChemistryNanoscience Center
© 2017 The Royal Society of Chemistry. This is a final draft version of an article whose final and definitive form has been published by Royal Society of Chemistry. Published in this repository with the kind permission of the publisher.
In general, the detection of F and other halogens is challenging through conventional techniques. In this paper, various approaches for the qualitative and quantitative analysis of F using the laser-induced breakdown spectroscopy (LIBS) technique were demonstrated. In LIBS, fluorine detection can be realized by means of atomic lines and molecular bands. For the purposes of our experiment, two sets of pellets with various contents of CaF2, CaCO3 and cellulose were analyzed using a lab-based LIBS system under a He atmosphere. The fluorine atomic line at 685.60 nm was correlated with CaF signals proving their close relationship. Consequently, the limits of detection were determined for both analytical signals. Moreover, conditions necessary for the quantification of F via CaF band signals were estimated. The dependence of the CaF signal on the varying ratio of Ca and F contents was investigated. Finally, a chip of a real CaF2 crystal was prepared and its surface was mapped with Raman and LIBS systems. The obtained elemental and molecular maps showed good numerical correlations. Thus, the yielded results validated the possibility to substitute the fluorine atomic line by non-conventional CaF molecular bands in the qualitative and quantitative LIBS analysis of fluorine. ...
PublisherRoyal Society of Chemistry
ISSN Search the Publication Forum0267-9477
Publication in research information system
MetadataShow full item record
Related funder(s)Academy of Finland
Funding program(s)Academy Programme, AoF
Additional information about fundingWe would like to acknowledge that this research was carried out with nancial support from the Ministry of Education, Youth and Sports of the Czech Republic under the National Sustainability Programme II, the project CEITEC 2020 (grant LQ1601). This work was carried out with the support of CEITEC Nano Research Infrastructure (grant LM2015041; MEYS CR), CEITEC Brno University of Technology. SK and HH would like to acknowledge the support of the research by the Academy of Finland (grant 292558). ...
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