Free Access
Issue |
Analusis
Volume 26, Number 8, October 1998
Chemometrics 98
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Page(s) | 267 - 276 | |
Section | Original articles | |
DOI | https://doi.org/10.1051/analusis:1998101 |
Analusis 26, 267-276 (1998)
DOI: 10.1051/analusis:1998101
1 Rhône-Poulenc Industrialisation, CRIT Décines, 24 avenue Jean Jaurès, 69153 Décines Charpieu Cedex, France
2 L.E.P.M.I., École Nationale Supérieure d'Électrochimie et d'Électrométallurgie de Grenoble, France
3 Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussel, Belgium
Key words: Ion-selective electrode / univariate calibration / multivariate calibration / halide.
© EDP Sciences, Wiley-VCH 1998
DOI: 10.1051/analusis:1998101
Calibration procedures for a halide Ion-Selective Electrode array
M. Baret1, P. Fabry2, D.L. Massart3, C. Menardo1 and M. Fraysse11 Rhône-Poulenc Industrialisation, CRIT Décines, 24 avenue Jean Jaurès, 69153 Décines Charpieu Cedex, France
2 L.E.P.M.I., École Nationale Supérieure d'Électrochimie et d'Électrométallurgie de Grenoble, France
3 Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussel, Belgium
Abstract
Univariate and multivariate Chemometric methods are compared for the determination of ion concentrations measured with a 6 Ion-Selective Electrode array. Principal component analysis is
applied as an exploratory method to observe the extent to which interferences occur. Two univariate calibration methods are compared. It is shown that univariate inverse calibration performs at
least as well as classical calibration. The use of the former is therefore recommended. The use of partial least squares, principal component regression and multivariate regression is discussed
and the possibilities of the method are described.
Key words: Ion-selective electrode / univariate calibration / multivariate calibration / halide.
© EDP Sciences, Wiley-VCH 1998