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Separation of different types of monoaromatic hydrocarbons in petroleum fractions by preparative high performance liquid chromatography on silica gel

Trennung verschiedener Typen monoaromatischer Kohlenwasserstoffe aus Erdölfraktionen durch präparative HPLC an Silicagel

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Zusammenfassung

Die präparative HPLC-Trennung monoaromatischer Kohlenwasserstoffe (C10–C17) aus leichten und mittleren Erdölfraktionen wurde untersucht und die Abhängigkeit des Trennungseffektes von der Molekularmasse der Kohlenwasserstoffe und der Breite des Destillationsbereichs wurde geprüft. Die präparative HPLC kann vorteilhaft für die Vorkonzentrierung bei der Analyse komplexer Gemische monoaromatischer Erdölkohlenwasserstoffe eingesetzt werden, da spezifische Kriterien für die Trennung der verschiedenen Strukturtypen gelten (Anzahl der Substituenten am aromatischen Ring, Molekularmasse, KW-Typ: Benzole-Indane).

Summary

The character of preparative HPLC separation of monoaromatic hydrocarbons in light and middle petroleum fractions (containing C10–C17 hydrocarbons) has been studied, together with the dependence of the separation efficiency both on hydrocarbon molecular mass and the width of the distillation range of the analyzed petroleum cuts. Preparative HPLC may be advantageously used as a pre-concentration technique for detailed analyses of complex mixtures of petroleum monoaromatic hydrocarbons, owing to the fact that there are specific criteria holding for the separation of various structural types of monoaromatic hydrocarbons (the number of substituents on the aromatic ring, molecular mass, and the hydrocarbon type: benzenes-indanes).

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References

  1. Kuraš, M., Kříž, J., Tříska, J., Vodička, L.: J. Chromatogr., in press

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Authors and Affiliations

  1. Laboratory of Synthetic Fuels, Institute of Chemical Technology, CS-16628, Prague 6, Czechoslovakia

    M. Kuraš, J. Kříž, L. Vodička & M. Březina

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  1. M. Kuraš
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  2. J. Kříž
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  3. L. Vodička
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  4. M. Březina
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Kuraš, M., Kříž, J., Vodička, L. et al. Separation of different types of monoaromatic hydrocarbons in petroleum fractions by preparative high performance liquid chromatography on silica gel. Z. Anal. Chem. 299, 375–381 (1979). https://doi.org/10.1007/BF00704971

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  • DOI: https://doi.org/10.1007/BF00704971

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