2-aminobenzenethiol and its disulphide as complexing agents for metal ions. I. Protonation equilibria in water-ethanol solution (I + I, v/v), redox propertiesE. Casassas and T. VisaJ. Chim. Phys., 83 (1986) 589-598DOI: https://doi.org/10.1051/jcp/1986830589