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Related Experiment Videos

Electrochromatography.

N W Smith1, A S Carter-Finch

  • 1Imperial College of Science, Technology and Medicine, Zeneca/SKB Centre for Analytical Sciences, Department of Chemistry, London, UK. n.w.smith@ic.ac.uk

Journal of Chromatography. A
|October 25, 2000
PubMed
Summary
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Capillary electrochromatography (CEC) uses electroosmotic flow for liquid separation. This review outlines CEC

Area of Science:

  • Analytical Chemistry
  • Separation Science

Background:

  • Electroosmotic flow (EOF) drives liquid in thin-layer chromatography.
  • Capillary electrochromatography (CEC) builds upon early EOF demonstrations.
  • Knox and Grant extensively detailed CEC theory and practice.

Purpose of the Study:

  • To review the progression of capillary electrochromatography since the late 1980s.
  • To discuss current limitations of CEC.
  • To provide examples of CEC applications.

Main Methods:

  • Review of scientific literature on capillary electrochromatography.
  • Discussion of theoretical and practical aspects of CEC.
  • Presentation of instrumentation used in CEC.

Main Results:

Related Experiment Videos

  • CEC has progressed significantly since the late 1980s.
  • CEC is applicable to a wide range of pharmaceutical compounds (neutral, acidic, basic, chiral).
  • Current limitations of CEC are identified.

Conclusions:

  • Capillary electrochromatography is a valuable separation technique.
  • CEC offers a broad range of applications in pharmaceutical analysis.
  • Further development is needed to address current limitations.