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Desorption efficiencies (%) and adsorption capacities (%) of Ag+ and Hg2+ on PTT nanoparticles from five adsorption-desorption cycles.
| Cycle Number | Desorption Percentage (%) | Adsorption Capacity (%) | ||||
|---|---|---|---|---|---|---|
| EDTA Solution | HNO3 Solution | Ag+ | Hg2+ | |||
| Ag+ | Hg2+ | Ag+ | Hg2+ | |||
| 1 | 98.4 | 99.2 | 96.5 | 97.4 | 100 | 100 |
| 2 | 95.9 | 97.8 | 91.7 | 92.2 | 97.2 | 97.6 |
| 3 | 94.1 | 95.3 | 90.3 | 91.8 | 96.3 | 96.8 |
| 4 | 92.6 | 93.1 | 85.9 | 86.5 | 94.4 | 95.7 |
| 5 | 87.2 | 89.5 | 80.1 | 82.6 | 91.5 | 92.3 |
