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Control of adsorption and solubility in gradient high performance liquid chromatography. Part 3. Sudden-transition gradient elution of styrene/ acrylonitrile copolymers

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Summary

Copolymers from styrene and acrylonitrile could be separated according to composition by gradient elution through methanol after injection inton-heptane and sudden addition of 50, 60, or 70 vol% tetrahydrofuran. The peak sequence was the same as with a common binary gradientn-heptane/tetrahydrofuran, i.e., retention increased with acrylonitrile content of the samples. With copolymers containing 37, 31, or 26% acrylonitrile, the elution characteristics in the ternary systems could be logically extrapolated towards the points measured in the corresponding binary gradient system.

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Author notes

  1. G. Glöckner

    Present address: , Papstdorfer Str. 25, 01277, Dresden, Germany

Authors and Affiliations

  1. Angewandte Physikalische Chemie, Universität des Saarlandes, 66123, Saarbrücken, Germany

    D. Wolf & H. Engelhardt

  2. Abteilung Chemie, Technische Universität Dresden, Mommsenstr. 13, 01262, Dresden, Germany

    G. Glöckner

Authors
  1. G. Glöckner
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  2. D. Wolf
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  3. H. Engelhardt
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Additional information

Part 2: see Ref. [6]

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Glöckner, G., Wolf, D. & Engelhardt, H. Control of adsorption and solubility in gradient high performance liquid chromatography. Part 3. Sudden-transition gradient elution of styrene/ acrylonitrile copolymers. Chromatographia 38, 749–755 (1994). https://doi.org/10.1007/BF02269631

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  • DOI: https://doi.org/10.1007/BF02269631

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