Related Experiment Video
Updated: Apr 30, 2026
Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices
Published on: March 27, 2019
Surfaces energies of monoliths by inverse liquid chromatography and contact angles
Ingeborg Bednar1, Eva Berger, Nika Lendero Krajnc
1University of Natural Resources and Life Sciences , Vienna, Austria.
Abstract:
Seven porous chromatographic columns, termed monoliths, and seven nonporous sheets were produced from polymethacrylates. Their surfaces were activated by different densities of butyl and phenyl ligands. We determined the retention times of highly dilute molecular probes in monoliths and accessed contact angles of pure molecular probes of sheets. We calculated surface energies for both systems. We applied theories of Young, Dupré, and van Oss and compared the results of both types of experiments with respect to Lifshitz-van der Waals and Lewis acid and Lewis base contributions and find agreement but an additive constant.
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