Fig. 3
From: Wien effect of Cd/Zn on soil clay fraction and their interaction

The binding energies of Cd2+ (a) and Zn2+ (b) on colloid particles of different soil types in single and combined systems
From: Wien effect of Cd/Zn on soil clay fraction and their interaction
The binding energies of Cd2+ (a) and Zn2+ (b) on colloid particles of different soil types in single and combined systems