JEQ -- Garman et al. 33 (5): 1703 Figure IG4

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Fig. 4. Kinetics of chromate (0.05 mM) adsorption on goethite in the presence and absence of sorbed silicic acid. (a) pH 4, (b) pH 6, (c) pH 8. Ionic strength (I) = 0.01 M and goethite suspension = 1.0 g L^–1.