Fig. 3
From: The effect of pH and ionic strength on the adsorption of glyphosate onto ferrihydrite
Illustration of the fit of the a non-linear Langmuir model, b non-linear Freundlich model and c non-linear Langmuir–Freundlich model to the data for adsorption of glyphosate onto ferrihydrite with NaCl 0.01 mol L−1 and 0.10 mol L−1