Page 71 - Academic Press Encyclopedia of Physical Science and Technology 3rd Analytical Chemistry
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Encyclopedia of Physical Science and Technology EN002E-79 May 17, 2001 20:28
Capillary Zone Electrophoresis 357
FIGURE 1 General schematic of a capillary electrophoresis system. Capillary internal diameters can range from 25
to 150 µm, and capillary lengths can range from 20 cm to over 1 meter. In some cases, sample may be injected at the
capillary outlet, and the short segment between the outlet and the detection window serves as the separation path.
FIGURE 2 Electroosmotic flow in an uncoated fused silica capillary. The negative charges represent ionized silanol
groups on the silica surface, and the positive charges represent hydrated electrolyte cations.
