Leaching efficiencies of the lamp phosphor residue with concentrated MSA (LS = 15 cm3 g−1, T = 473 K, t = 1 h).
| Element | Leaching efficiency, % |
|---|---|
| La | 94.7 |
| Y | 82.7 |
| Ce | 78.3 |
| Tb | 74.3 |
| Eu | 58.2 |
| Gd | 51.8 |
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