fig2
From: Dissolution and fate of silver nanoparticles in the presence of natural aquatic organic matter
Figure 2. (A) Master curve established using the NICA-Donnan model (closed symbols) and the experimental charge/pH data (open symbols) for the humic substances. (B) Data for potentiometric extracellular polymeric substance titrations at ionic strengths of 0.01, 0.1, 0.3, and 0.5 mol L-1.
