Particle Loaded Monolithic Materials for Separations via Planar Electrochromatography

Heidrun Gruber-Wölfler*, Marie-Gabrielle Braunbruck, Rene Laskowski, Peter Feenstra, Johannes Khinast, Hans-Jörg Bart

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung


The synthesis and characterization of novel stationary phases for analytical applications as well as for planar electrochromatography are presented. The stationary phases are C8-functionalized silica-based monoliths, which are supported by silica particles in order to avoid shrinkage and to increase mechanical stability. After optimizing the separation conditions in capillaries for capillary electrochromatography (CEC), the novel materials were implemented in a planar test cell and tested for the electrochromatochraphic separation of polyaromatic hydrocarbons (PAHs). Although the change of geometries implied a scale-up of the filling procedure, high separation performances with theoretical plate numbers of up to 30,000 m−1 and throughputs of 50 mL h−1 could be achieved.
Seiten (von - bis)15-21
FachzeitschriftJournal of Planar Chromatography, Modern TLC
PublikationsstatusVeröffentlicht - 2016

Fields of Expertise

  • Advanced Materials Science

Treatment code (Nähere Zuordnung)

  • Application
  • Experimental


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