Research Article
Reversed-Phase Column Extractive Separation of Gd(III) with Poly[dibenzo-18-crown-6]
Table 3
Separation of gadolinium(III) from associated elements (multicomponent mixture).
| | Sr. no. | Mixture | Taken (μg) | Recovery* (%) | S.D. | Eluent |
| | 1 | Fe(II) | 100 | 98.16 | | NSPC** | | U(VI) | 100 | 98.78 | | 0.2 M LiOH | | Gd(III) | 100 | 98.83 | | 2.0 M HClO4 | | Ba(II) | 100 | 97.94 | | 4.0 M HCl |
| | 2 | Ca(II) | 100 | 100 | | NSPC** | | U(VI) | 100 | 97.76 | | 0.2 M LiOH | | Gd(III) | 100 | 100 | | 2.0 M HClO4 | | Ba(II) | 100 | 98 | | 4.0 M HCl |
| | 3 | Li (I) | 100 | 99 | | NSPC** | | U(VI) | 100 | 99 | | 0.2 M LiOH | | Gd(III) | 100 | 98.6 | | 2.0 M HClO4 | | Ba (II) | 100 | 98.10 | | 4.0 M HCl |
| | 4 | Mg(II) | 100 | 98.4 | | NSPC** | | U(VI) | 100 | 98 | | 0.2 M LiOH | | Gd(III) | 100 | 100 | | 2.0 M HClO4 | | Ba(II) | 100 | 97.5 | | 4.0 M HCl |
| | 5 | Mo(II) | 100 | 99.1 | | NSPC** | | U(VI) | 100 | 98.6 | | 0.2 M LiOH | | Gd(III) | 100 | 99.2 | | 2.0 M HClO4 | | Ba(II) | 100 | 97.3 | | 4.0 M HCl |
| | 6 | Sr(II) | 100 | 98.9 | | NSPC** | | U(VI) | 100 | 98 | | 0.2 M LiOH | | Gd(III) | 100 | 99 | | 2.0 M HClO4 | | Ba(II) | 100 | 97.92 | | 4.0 M HCl |
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*Average of triplicate analysis.
**No sorption passing through the column.
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