Figure 5.

Adsorption isotherms and adsorption capacity. (a) Adsorption isotherms fitted with the Freundlich model (red line) for adsorption of Hg2+ on thiol-functionalized MGO and (b) adsorption capacity versus the cycling number with the initial concentration of 100 mg l-1 Hg2+.

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