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Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
40, Number 10, November/December 2002, pp. 575-580
Comparison of Different Retention Models in Normal- and Reversed-Phase Liquid Chromatography with Binary Mobile Phases
Wojciech Zapala[1], Krzysztof Kaczmarski[1], and Teresa Kowalska[2]
[1]Department of Chemical Engineering and Process Control, Chemical Faculty,
Rzeszów University of Technology, ul. Powstańców Warszawy
6, 35-959 Rzeszów, Poland and [2]Institute of Chemistry, Silesian University,
ul. Szkolna 9, 40-006 Katowice, Poland
The dependence on mobile phase composition of the retention of
selected test analytes in different normal- and reversed-phase chromatographic
systems is studied. The aim of this study is to compare the performance of six
valuable retention models reported in the literature with a new empirical equation,
which is first introduced in this study. All of these models are compared for
different thin-layer chromatographic and high-performance liquid chromatographic
systems by use of three criteria: the sum of the squared differences between
the experimental and theoretical data, approximation of the standard deviation,
and the Fisher test.
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