Table 4 Content of REEs in solution after adsorption of pb by REEs/C (n = 3, mg L− 1).
REEs/C-4 | REEs/C-6 | REEs/C-8 | REEs/C-4 | REEs/C-6 | REEs/C-8 | ||
|---|---|---|---|---|---|---|---|
Sc | 0.000 | 0.000 | 0.019 | Gd | 0.000 | 0.000 | 0.001 |
Y | 0.004 | 0.007 | 0.026 | Tb | 0.000 | 0.000 | 0.000 |
La | 0.005 | 0.002 | 0.006 | Dy | 0.001 | 0.002 | 0.001 |
Ce | 0.000 | 0.000 | 0.002 | Ho | 0.000 | 0.000 | 0.000 |
Pr | 0.004 | 0.002 | 0.004 | Er | 0.001 | 0.002 | 0.001 |
Nd | 0.009 | 0.005 | 0.004 | Tm | 0.000 | 0.000 | 0.000 |
Sm | 0.000 | 0.000 | 0.002 | Yb | 0.000 | 0.000 | 0.000 |
Eu | 0.000 | 0.000 | 0.001 | Lu | 0.000 | 0.000 | 0.000 |
