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On the internal surface pre-treatment of glass capillaries for gas chromatography

Über die Vorbehandlung der Innenoberfläche von Glas-Kapillaren für die Gas-Chromatographie

Sur le traitement de la surface interne de capillaires en verre pour la chromatographie en phase gazeuse

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Summary

The coating with polysiloxane- and polyethertype liquid phases of dilute aqueous HF-potassium hydroxide pre-treated glass capillaries by the static procedure yields columns whose efficiency and thermal stability is higher than that of untreated columns. The treatment with aqueous HF only results in lowering of thermal properties of the liquid phases.

Excessive development of the inner surface as produced by hot alkali leads to deterioration of the column performance especially for polar and high molecular weight compounds.

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References

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Authors and Affiliations

  1. Institute of Organic Chemistry, USSR Academy of Sciences, Moscow, USSR

    E. L. Ilkova & E. A. Mistryukov

Authors
  1. E. L. Ilkova
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  2. E. A. Mistryukov
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Ilkova, E.L., Mistryukov, E.A. On the internal surface pre-treatment of glass capillaries for gas chromatography. Chromatographia 4, 77–79 (1971). https://doi.org/10.1007/BF02276414

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  • DOI: https://doi.org/10.1007/BF02276414

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