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Information theory of optimization in chromatography: Optimum peak separation and dependency on peak area

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Summary

If a peak (j=2) moves along the time axis of a chromatogram with no change in the position τ1 of the other peak (j=1) or in areas A1 and A2, the optimum separation, Řs, is defined as the resolution Rs which provides the maximum information, called FUMI, among all possible positions τ2 of the peak (τ2≥τ1). This paper demonstrates that optimum separation, Řs, of chromatographic peaks critically depends on the peak areas. As the area ratio A2/A1 of overlapped peaks increases, greater separation (higher resolution Rs) is needed to obtain maximum information. The quantitative relationship between Řs and A2/A1 is derived by computer simulation.

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Authors and Affiliations

  1. National Institute of Hygienic Sciences, 1-18-1, Kami-Yoga, Setagaya, 158, Tokyo, Japan

    R. Matsuda, Y. Hayashi, T. Suzuki & Y. Saito

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  1. R. Matsuda
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  2. Y. Hayashi
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  3. T. Suzuki
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  4. Y. Saito
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Matsuda, R., Hayashi, Y., Suzuki, T. et al. Information theory of optimization in chromatography: Optimum peak separation and dependency on peak area. Chromatographia 32, 233–237 (1991). https://doi.org/10.1007/BF02276246

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  • DOI: https://doi.org/10.1007/BF02276246

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