Fig. 2. Influence of pH on As(V) adsorption onto kaolinite and kaolinite-humic acid (HA) for an initial As(V) concentration of 0.5 mg L-1 and in two electrolyte types: (A) in 10-2 M Ca(NO3)2 and (B) in 10-2 M NaNO3.
Fig. 2. Influence of pH on As(V) adsorption onto kaolinite and kaolinite-humic acid (HA) for an initial As(V) concentration of 0.5 mg L-1 and in two electrolyte types: (A) in 10-2 M Ca(NO3)2 and (B) in 10-2 M NaNO3.