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. Author manuscript; available in PMC: 2013 Jan 17.
Published in final edited form as: Environ Sci Technol. 2011 Dec 16;46(2):1055–1062. doi: 10.1021/es203612d

Figure 1.

Figure 1

Adsorption isotherm (24 hour equilibration) of dissolved SiO2 on goethite. [goethite] = 4 g/L, [PIPES] = 1 mM, [NaNO3] = 0.1 M, pH = 7. [SiO2]initial = 0 – 1.5 mM (inset: adsorption kinetics).