@article{
 title = {Multi-element Saha-Boltzmann and Boltzmann plots in laser-induced plasmas},
 type = {article},
 year = {2007},
 identifiers = {[object Object]},
 keywords = {LIBS,Laser induced plasma spectroscopy,Local thermodynamic equilibrium,Plasma characterization,Saha-Boltzmann plot},
 pages = {378-385},
 volume = {62},
 id = {c6ff1c14-877b-380a-84bc-d3c20beae5d3},
 created = {2018-11-01T17:24:31.759Z},
 file_attached = {false},
 profile_id = {6c08603e-f5fc-34c8-a4d1-319cca2e54f4},
 group_id = {18670495-6d76-3294-a982-97e5d10d5ff5},
 last_modified = {2018-11-01T17:24:31.759Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 citation_key = {Aguilera2007},
 private_publication = {false},
 abstract = {A multi-element Saha-Boltzmann plot method is proposed for the determination of the temperature and the relative number density in laser-induced plasmas, assuming local thermodynamic equilibrium and stoichiometry conservation. The method has been applied to the characterization of a plasma generated with a Cu-Fe-Ni-Mn alloy, using a Nd:YAG laser in air at atmospheric pressure. Spectra of the local emissivity have been obtained by spatial deconvolution of the intensity spectra, obtained with spatial resolution. Saha-Boltzmann plots obtained from the emissivities of 58 spectral lines of Fe I, Fe II, Ni I, Ni II, Mn I and Mn II have been fitted to linear behavior with high correlation, which shows the validity of the equation proposed. Radial distributions of the temperature and number densities of neutral atoms and ions have been determined. The results obtained reinforce the initial considerations of local thermodynamic equilibrium and conservation of stoichiometry. The proposed equation can also be applied to only one ionization species (multi-element Boltzmann plot). Spatially-integrated measurements of the plasma emission have also been performed to show that, in this case, the application of the method to the line intensities provides the two different apparent temperatures for neutral atoms and ions. © 2007 Elsevier B.V. All rights reserved.},
 bibtype = {article},
 author = {Aguilera, J. A. and Aragón, C.},
 journal = {Spectrochimica Acta - Part B Atomic Spectroscopy},
 number = {4}
}

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