To study the effect of pH on the adsorption of Cu(II), a series of the solutions containing 1.0 mmol/L of Cu(II) and 0.01 mol/L of KNO3 were prepared with various pH was from 3 to 7.
To study the effect of pH on the adsorption of Cu(II), aseries of the solutions containing 1.0 mmol/L of Cu(II) and0.01 mol/L of KNO3 were prepared with various pH wasfrom 3 to 7.