Keywords: 1-DDT; 1-dodecanethiol; 1-ODT; 1-octadecanethiol; AAS; Atomic Absorption Spectrometry; AEC; Anion Exchange Chromatography; AF4; Asymmetrical-Flow Field Flow Fractionation; AFM; Atomic Force Microscopy; ASEM; Atmospheric Scanning Electron Microscopy; BET;