Extraction of Zinc and Manganese from Alkaline and Zinc-Carbon Spent Batteries by Citric-Sulphuric Acid Solution
Figure 7
Solubility diagram of manganese, zinc, and citrate ions in aqueous solution at different pHs (concentration expressed as molarity; initial ion concentrations: Mn2+ 730 mM; Zn2+ 610 mM; 417 mM; 500 mM; temperature C).