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  • Deactivation  (1)
  • Fused-silica columns  (1)
  • Atomic, Molecular, and Optical Physics
  • Springer  (2)
  • 1
    Electronic Resource
    Electronic Resource
    A novel sealing method in static coating fused-silica capillary column (1989)
    Springer
    Chromatographia 28 (1989), S. 313-314 
    Details
    ISSN: 1612-1112
    Keywords: Gas chromatography ; Fused-silica columns ; Static coating ; Sealing method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary In this paper a new sealing method for the static coating of capillary columns is described. When one end of the fully filled capillary was immersed into liquid nitrogen in a Dewar flask, the coating solution at this end would be frozen and became a temporary seal, and an air-free solvent/seal interface was obtained. No bumping has ever been found at the interface, even when butane was used as solvent. By applying this sealing method, several capillary columns, including some narrow bore capillary, had been successfully coated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02260783
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Practical aspects of the temperature dependence of the activity of uncoated and coated fused-silica columns in gas chromatography (1988)
    Springer
    Chromatographia 25 (1988), S. 899-902 
    Details
    ISSN: 1612-1112
    Keywords: Gas Chromatography ; Fused-Silica Capillaries ; Deactivation ; Temperature dependance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Uncoated fused-silica capillary tubing has found widespread use in GC and GC/MS, e. g., in splitless and oncolumn injection, in the open-split interface used in GC/MS, and in hybrid fused-silica/glass capillary columns. As the uncoated capillary is usually more active than the coated one, it is very important to pay sufficient attention to the deactivation of the uncoated capillary. Otherwise the uncoated portion used as column inlet and/or outlet may become the main source of column activity and of analytical error. This case is especially serious under temperature-programmed runs. The effect of film thickness and temperature program on column activity is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02311426
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    Paper (German National Licenses)
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