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Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
Published on: September 23, 2013
Matrix effect of barium on spectral line intensities and detection limits in inductively coupled plasma atomic
Z Ilić1, J Georgijević, V Georgijević
1The Institute of Nuclear Sciences-VINCA, Chemical Dynamics Laboratory, P.O. Box 522, 11001 Belgrade, Yugoslavia.
Abstract:
The effect of four concentrations of Ba (as nitrate) on emission intensities of La(II) 337.7, Mg(I) 285.2, Mg(II) 279.1, Cd(I) 228.8, Cd(II) 226.5, Zn(I) 213.8 and Zn(II) 206.2 nm as a function of power and height above the load coil is studied. The detection limits of atomic and ionic lines of La, Mg, Zn and Cd with/without addition of Ba are reported. Low Ba concentration (0.001M) decreases the detection limit of the element of low ionization energy (La) while high Ba concentration (0.3M) decreases detection limits of the elements of high ionization energies (Cd and Zn) and increases the detection limit of the element of medium ionization energy (Mg).
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