Аннотация:In this chapter we will concentrate on those IC methods where the major emphasis is on the speed of the separation, and where that speed is generated through the use of a silica-based monolithic stationary phase. The historical development of fast IC separations will be examined briefly, after which monolithic IC stationary phases will be introduced (especially those in which the ion-exchange functionality is formed by coating the stationary phase with a suitable surfactant). Finally, analytical applications of fast IC will be reviewed.