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Splitless Injection on Capillary Columns, Part II. Conditions and Limits, Practical Realization

Grob, K. ; Grob, G.

In: Journal of Chromatographic Science, 1969, vol. 7, no. 10, p. 587-591

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    Titel
    • Splitless Injection on Capillary Columns, Part II. Conditions and Limits, Practical Realization
    Autor
    • Grob, K.. Department of Organic Chemistry, University of Zurich, Switzerland
    • Grob, G.. Department of Organic Chemistry, University of Zurich, Switzerland
    Dokumententyp
    • Postprint
    Sprache
    • Englisch
    Veröffentlicht in
    • Journal of Chromatographic Science, 1969, vol. 7, no. 10, p. 587-591. Oxford University Press
    Andere elektronische Ausgabe
    Klassifikation
    • Gesundheit
    OAI-PMH-ID
    • oai:doc.rero.ch:304302
    Summary
    Our procedure of direct splitless injection on capillary columns is based on the choice of column temperature for injection. Under appropriate conditions a marked concentration effect is observed, i.e. the eluted band is more concentrated than the injected one. The dependence of this effect on column temperature, injection time, sample size, and other variables has been studied experimentally. A solvent bypassing technique has been developed which allows the performance of trace analysis on capillary columns