Table 1 Metal content of 203Pb elute fractions in ppb (μg/L) and ng as determined by ICP-MS (n = 3).
Metal | Al | Ag | Ca | Fe | Cu | Zn | Pb | Tl |
|---|---|---|---|---|---|---|---|---|
ppb (μg/L) | ||||||||
One-column method9 | 168 ± 152 | N.S. | 568 ± 263 | 18 ± 11 | 2.7 ± 1.8 | 21 ± 4 | 495 ± 218 | 58,220 ± 35,392 |
This work | 100 ± 51 | 1.4 ± 0.3 (In 8 M HCl elute: 3353 ± 287) | N.S. | 29 ± 9 | N.S. | 14 ± 4 | 34 ± 6 | 26 ± 3 (In 8 M HCl elute: 2236 ± 483) |
This work—recycled natTl | N.S. | 1.8 ± 0.2 | N.S. | 18 ± 1 | N.S. | 26 ± 5 | 25 ± 8 | 28 ± 14 |
ng | ||||||||
One-column method9 | 504 ± 456 | N.S. | 1704 ± 789 | 54 ± 33 | 8.1 ± 5.4 | 63 ± 12 | 1,485 ± 654 | 174,660 ± 106,176 |
This work | 200 ± 102 | 2.8 ± 0.6 (In 8 M HCl elute: 6706 ± 574) | N.S. | 58 ± 18 | N.S. | 28 ± 8 | 68 ± 12 | 52 ± 6 (In 8 M HCl elute: 4472 ± 966) |
This work—recycled natTl | N.S. | 3.6 ± 0.4 | N.S. | 36 ± 2 | N.S. | 52 ± 10 | 50 ± 16 | 56 ± 28 |
