There are many uses for Zero Flow™ capillary in CZE. One use is to allow analytes to separate based only on electrophoretic mobility. The Zero Flow™ capillary is an excellent choice for this technique because, regardless of the pH you use to ionize your analytes, the flow will still be zero.
Another excellent use is cIEF.
Click HERE for Zero Flow and Controlled Flow capillaries ordering information and pictures.