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Theory of capillary electrochromatography.

K D Bartle1, P Myers

  • 1School of Chemistry, University of Leeds, UK. k.d.bartle@chem.leeds.ac.uk

Journal of Chromatography. A
|May 31, 2001
PubMed
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This review covers capillary electrochromatography (CEC) theory, focusing on electroosmotic flow and electrical double layers. It assesses CEC

Area of Science:

  • Analytical Chemistry
  • Separation Science

Background:

  • Capillary electrochromatography (CEC) combines principles of capillary electrophoresis and liquid chromatography.
  • Understanding electroosmotic flow and the electrical double layer is crucial for CEC performance.

Purpose of the Study:

  • To review the current theoretical understanding of capillary electrochromatography (CEC).
  • To assess the theoretical potential and future applications of CEC based on column technology.

Main Methods:

  • Review of existing literature on CEC theory.
  • Analysis of factors influencing electroosmotic flow.
  • Comparison of CEC with other electrically driven separation techniques.

Main Results:

  • Electroosmosis and electrical double layer phenomena are well-understood in CEC.

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  • Factors affecting electroosmotic flow in CEC columns are identified.
  • Band broadening and temperature effects in CEC are discussed.

    • Conclusions:

    • CEC shows significant theoretical potential, influenced by column technology advancements.
    • Future applications of CEC are likely in various analytical fields.
    • Further development in column technology will enhance CEC capabilities.