Fig. 1. (a) Point of zero charge determination for untreated aquifer material. (b) Linearized Langmuir plot of the Cu sorption isotherm for the untreated and oxide-free aquifer material.
Fig. 1. (a) Point of zero charge determination for untreated aquifer material. (b) Linearized Langmuir plot of the Cu sorption isotherm for the untreated and oxide-free aquifer material.