Accurate measurement of magnesium content in alpha-olefins by laser induced breakdown spectroscopy (LIBS) technique

Year: 2007

Authors: Visentini U., Cristoforetti G., Legnaioli S., Salvetti A., Tognoni E., Palleschi V.

Autors Affiliation: Applied Laser Spectroscopy Laboratory,Istituto per i Processi Chimico-Fisici
Area di Ricerca del Consiglio Nazionale delle Ricerche Via Moruzzi 1, 56124 Pisa, Italy;
Basell R&D,
Polymer Physics and Characterization Piazzale Donegani, 12 QCL 44100 Ferrara, Italy

Abstract: In this paper, results are presented on first application of laser-induced breakdown spectroscopy (LIBS) technique for quantitative determination of Mg concentration in alpha-olefins. It is demonstrated that this technique gives accuracies in Mg concentrations which are comparable with those of traditional methods, as ICP-OES, in short times and without need for sample preparation. Limits of detection for Mg of the order of 500 ppb are demonstrated. Moreover, a brief discussion about the realization of proper calibration curves and the definition of the limit of detection (LOD) is reported.


Volume: 3      Pages from: 222  to: 226

Citations: 2
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