Figure 3.

Effect of pH on the adsorption of As(III) and As(V) on ceria NPs. Cinitial arsenic = 80 μg L-1, I = 0.01 mol L-1 NaNO3, T = 298 K.

Feng et al. Nanoscale Research Letters 2012 7:84   doi:10.1186/1556-276X-7-84
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