| WAO | Waste amine-oxime resin |
| FAO | Fresh amine oxime resin |
| MT-WAO | Waste amine-oxime resin after microwave pretreatment |
| FT-IR | Fourier-transform infrared spectroscopy |
| SEM-EDS | Scanning electron microscopy with energy dispersive spectroscopy |
| XPS | X-ray photoelectron spectroscopy |
| ICP-AES | Inductively coupled plasma-atomic emission spectrometry |
| TG-DTA | Thermogravimetry and differential thermal analysis |
| Kd | distribution coefficient (Ratio of resin metal concentration to solution metal concentration at equilibrium, Kd = Qe/Ce or Kd = [(C0 − Cs)/Cs] × (V/m). |
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