Figure 4.

Adsorption kinetics. (a) Hg2+ adsorption kinetics of GO, MGO, and thiol-functionalized MGO, respectively. (b) The adsorption kinetics of thiol-functionalized MGO fits with the pseudo-second-order kinetics (initial concentration, 10 mg l-1).

Bao et al. Nanoscale Research Letters 2013 8:486   doi:10.1186/1556-276X-8-486
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