Research Article

The Sorption of Ni(II) by Grape Shell Ash from Aqueous Solution: Kinetic and Thermodynamic Studies

Figure 1

The influence of solution pH and agitation time on the removal of Ni(II) by GSA (Ni(II) concentration, 10 mg L−1, GSA dose, 1 g L−1; Agitation time, 90 min).
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