Fig. 6

The reusability graph for Cd(II) ion removal with tin oxide nanoflowers. Reaction conditions: temp 298 K, concentration of Cd(II) ion (30 mg/L), pH 9.0 buffer, mixing time (20 min), shaking speed (250 rpm).

The reusability graph for Cd(II) ion removal with tin oxide nanoflowers. Reaction conditions: temp 298 K, concentration of Cd(II) ion (30 mg/L), pH 9.0 buffer, mixing time (20 min), shaking speed (250 rpm).