Issue 9, 2011
From the journal:

Journal of Analytical Atomic Spectrometry

Processing of short transient signals in multi-element analysis using an ICP-OES instrument equipped with a CCD-based detection system in Paschen-Runge mount

Eduardo S. Chaves,†*ab   Sien Compernolle,bc   Maite Aramendía,d   Etelvina Javierre,d   Eva Tresaco,d   Margaretha T. C. de Loos-Vollebregt,be   Adilson J. Curtius†a  and  Frank Vanhaecke*b  

* Corresponding authors

a Department of Chemistry, Federal University of Santa Catarina, Florianópolis, Trindade, Brazil
E-mail: mail:eschaves@hotmail.com

b Department of Analytical Chemistry, Ghent University, Krijgslaan 281 - S12, Ghent, Belgium
E-mail: Frank.Vanhaecke@UGent.be

c Department of Applied Engineering and Technology, Artesis University College Antwerp, Paardenmarkt 92, Antwerp, Belgium

d Centro Universitario de la Defensa – Academia General Militar de Zaragoza, Carretera de Huesca s/n, Zaragoza, Spain

e Faculty of Applied Sciences, Delft University of Technology, Julianalaan 67, Delft, The Netherlands

Abstract

A general protocol for the processing of short transient signals in multi-element analysis using an ICP-OES instrument equipped with a CCD detector system was developed. The performance of the optical system was optimized and the line positions set while using pneumatic nebulization for sample introduction, and the resulting settings were afterwards applied for the acquisition of transient signals, generated via electrothermal vaporization (ETV). The influence of the most important data acquisition parameters, sampling rate and integration time was evaluated for a wide spectral range. Subsequently, a MATLAB-based method was used for off-line generation of the 3D analyte spectrum, off-line BG correction and integration of the transient signals. The applicability of the approach developed was demonstrated via the determination of Al in two certified reference materials, one with low and another with high Ca concentration, using ETV-ICP-OES. Accurate results were obtained for Al, despite the significant overlap of the Al analytical line and the ‘wing’ of the matrix-related Ca line.

Graphical abstract: Processing of short transient signals in multi-element analysis using an ICP-OES instrument equipped with a CCD-based detection system in Paschen-Runge mount

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Article information

DOI
https://doi.org/10.1039/C1JA10083A
Article type
Paper
Submitted
02 Mar 2011
Accepted
20 May 2011
First published
28 Jun 2011

J. Anal. At. Spectrom., 2011,26, 1833-1840

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Processing of short transient signals in multi-element analysis using an ICP-OES instrument equipped with a CCD-based detection system in Paschen-Runge mount

E. S. Chaves, S. Compernolle, M. Aramendía, E. Javierre, E. Tresaco, M. T. C. de Loos-Vollebregt, A. J. Curtius and F. Vanhaecke, J. Anal. At. Spectrom., 2011, 26, 1833 DOI: 10.1039/C1JA10083A

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