Elemental analysis of halogens using molecular emission by laser-induced breakdown spectroscopy in air

Fluorine and chlorine do not produce atomic and ionic line spectra of sufficient intensity to permit their detection by laser-induced breakdown spectroscopy. They do, however, combine with alkali-earths and other elements to form molecules whose spectra may be easily identified, enabling detection i...

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Bibliographic Details
Published inSpectrochimica acta. Part B: Atomic spectroscopy Vol. 98; pp. 39 - 47
Main Authors Gaft, M., Nagli, L., Eliezer, N., Groisman, Y., Forni, O.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2014
Subjects
Breakdown
CaCl
CaF
Chlorine
Emission analysis
Fluorine
Halogens
Laser Induced plasma
Line spectra
Molecular emission
Spectral lines
Spectroscopy
CaCl
CaF
Laser Induced plasma
Molecular emission
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Summary:Fluorine and chlorine do not produce atomic and ionic line spectra of sufficient intensity to permit their detection by laser-induced breakdown spectroscopy. They do, however, combine with alkali-earths and other elements to form molecules whose spectra may be easily identified, enabling detection in ambient conditions with much higher sensitivity than using F I and Cl I atomic lines. •We studied laser induced breakdown spectra of halogens with alkali-earth elements.•Emission and temporal behavior of CaF and CaCl molecules were determined.•Sensitivity of F and Cl detection by molecules and atoms was compared.
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content type line 23
ISSN:0584-8547
1873-3565
DOI:10.1016/j.sab.2014.05.011