Fig. 2. Changes in geochemical parameters with time during the first injection experiment after the injection of sucrose and diammonium phosphate solution. (a) pH and Eh vs. time, (b) chalcophile elements (Zn, Cu, Cd, Pb) vs. time, (c) Fe and Eh vs. time, (d) siderophile elements (Ni, Co, V, Cr, As) vs. time, (e) redox-sensitive elements (U and Se) vs. time, and (f) Al and pH vs. time.

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