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The maximum saturation magnetisms of the Fe3O4@GO samples before and after five cycles of adsorption-desorption toward MB and Pb(II).
 |
No recycling | After five cycles toward MB | After five cycles toward Pb(II) |
|---|---|---|---|
| Fe3O4@GO-e | 61.0 | 59.5 | 59.1 |
| Fe3O4@GO-c | 57.1 | 55.8 | 55.3 |
