Fig. 6. Log of Zn2+ activities are plotted with pH. Two possible trend lines are drawn. Region 1 represents adsorption of Zn to organic matter or other surface. Region 2 represents precipitation of a Zn mineral, such as franklinite.
Fig. 6. Log of Zn2+ activities are plotted with pH. Two possible trend lines are drawn. Region 1 represents adsorption of Zn to organic matter or other surface. Region 2 represents precipitation of a Zn mineral, such as franklinite.