The true Hückel equation for electrolyte solutions and its relation with the Born term

• The original equation derived by Hückel is not the common cited in literature Born term included of A concentration-dependent relative permittivity considered In this work we present Hückel’s derivation and considerations, verifying approximations that were done his paper. More complex equations are obtained applying some approximations, these compared to equation. We explore use both a linear an experimental concentration dependency represent data. show equation, as known today its semi-empirical form, full model or even approximate author had work, being only approximation theoretical method. Both used literature, important developments when Debye-Hückel also already clarifying thus connection between term. Finally, derive different from estimate error introduced method considering concentration-dependency dielectric constant after deriving charge work.