Fig. 2From: The effect of pH and ionic strength on the adsorption of glyphosate onto ferrihydriteEffect of pH on the adsorption of glyphosate (GPS) onto ferrihydrite (a) without NaCl, (b) with 0.01 mol L−1 of NaCl and (c) with 0.10 mol L−1 of NaClBack to article page