, Volume 28, Issue 7–8, pp 385–390 | Cite as

Basic aspects of stop-flow split injection

  • G. Liu
  • Z. Xin


Major concerns in the development of the stop-flow split injection are discussed. Split ratio fluctuation caused by the pressure wave, solvent recondensation and gas viscosity change can be substantially diminished through the formation of a nearly uniform gaseous sample plug. Instrumental variables exerting influence on the accuracy of quantitation were studied. Higher injector temperature and the use of a carrier gas with higher heat conductivity benefit the quick vaporization of the sample liquid, and thus, help in the formation of a sample plug with more unformity.

Key Words

Gas chromatography Capillary column Split injection Stop-flow method 


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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1989

Authors and Affiliations

  • G. Liu
    • 1
  • Z. Xin
    • 1
  1. 1.Analytical CenterThe Southwest Research Insitute of the Chemical IndustryNaxi, SichuanP. R. China

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