Three consecutive adsorption–desorption cycles of PANI/Ag (AMPSA)/GO QDs NC for the removal of Cr(vi) (60 mg L−1) at pH 2 after 60 min at 30 °C.
| Number of cycles | Cr(vi) adsorption% | Cr(vi) desorption% |
|---|---|---|
| 1 | 99.9 | 0.6 |
| 2 | 99.8 | 0.9 |
| 3 | 99.7 | 1.4 |
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