www.jss-journal.com Page 1 Journal of Separation Science Received: 03 12, 2018; Revised: 05 04, 2018; Accepted: 05 04, 2018 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/jssc.201800261 . This article is protected by copyright. All rights reserved. Protonation of polyaniline-coated silica stationary phase affects the retention behavior of neutral hydrophobic solutes in reversed-phase capillary liquid chromatography Lukáš Taraba, Tomáš Křížek * , Petr Kozlík, Ondřej Hodek, Pavel Coufal Charles University, Faculty of Science, Department of Analytical Chemistry, Hlavova 8, 128 43 Prague 2, Czech Republic Running title: Effect of protonation on chromatographic behavior of PANI-SiO 2 * Corresponding author: RNDr. Tomáš Křížek, Ph.D., Charles University, Faculty of Science, Department of Analytical Chemistry, Hlavova 8, 128 43 Prague 2, Czech Republic. Tel.: +420 221 951 229. E-mail address: tomas.krizek@natur.cuni.cz (T. Křížek) Keywords capillary liquid chromatography, linear solvation energy relationships, polyaniline-coated silica, reversed-phase chromatography Abbreviations EB – emeraldine base ES – emeraldine salt