Applied and Environmental Soil Science / 2009 / Article / Fig 2

Review Article

Use of Hydrophilic Insoluble Polymers in the Restoration of Metal-Contaminated Soils

Figure 2

Dehydration of polyacrylates in the presence of different cations: (a) water absorption by a polyacrylate polymer after equilibration with 0.01 M salt solution, filtration, and reequilibration with de-ionized water, (b) a polyacrylate polymer in the presence of increasing concentrations of Cr3+ (above) or Cu2+ (below).
790687.fig.002a
(a)
790687.fig.002b
(b)

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