Figure 4
Pareto chart standardized effects for the adsorption of 4 different eggshells in copper ion solution. (A) Eggshell (ES); (B) eggshell membrane (ESM); (C) eggshell with a membrane (ESWM); (D) calcined eggshell at 900 °C, 2 h (CES4).
Figure 4 | Scientific Reports
