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Zur Desaktivierung von Glaskapillaren mittels Silanisierung

Deactivation of glass capillary columns by silanization

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Summary

The deactivation of glass capillaries by silanization with different agents under various reaction conditions has been investigated. It was found the effectiveness of the silanization procedure can be improved if the treatment is performed with pure hexamethyldisilazane for a period of about 20 hours at temperatures approaching 300°C.

Zusammenfassung

Die Desaktivierung von Glaskapillaren duch Silanisierung mit verschiedenen Reagenzien bei unterschiedlichen Reaktionsbedingungen wurde untersucht. Es zeigte sich, daß die Wirksamkeit der Silanisierung wesentlich verbessert werden kann, wenn die Behandlung der Glaskapillaren mit reinem Hexamethyldisilazan etwa 20 Stunden lang bei 300°C erfolgt.

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Author information

Authors and Affiliations

  1. Sektion Chemie der Karl-Marx-Universität Leipzig, Liebigstr. 18, DDR-701, Leipzig

    Th. Welsch, W. Engewald & Ch. Klaucke

Authors
  1. Th. Welsch
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  2. W. Engewald
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  3. Ch. Klaucke
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Welsch, T., Engewald, W. & Klaucke, C. Zur Desaktivierung von Glaskapillaren mittels Silanisierung. Chromatographia 10, 22–24 (1977). https://doi.org/10.1007/BF02291585

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  • DOI: https://doi.org/10.1007/BF02291585

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