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The Surface Composition of Amino Acid - KCl Solutions is pH-Dependent
preprintsubmitted on 25.09.2020, 14:51 and posted on 28.09.2020, 12:20 by Geethanjali Gopakumar, Isaak Unger, Clara-Magdalena Saak, Gunnar Öhrwall, Arnaldo Naves de Brito, Tulio Costa Rizuti da Rocha, Christophe Nicolas, Carl Caleman, Olle Björneholm
The manuscript based on X-ray photoelectron spectroscopy on aqueous solutions containing KCl and different amino acids. Our analysis suggests that the presence of the inorganic ions at the surface of the liquid is strongly dependent on the pH of the solution and the type of amino acid.