Table 2.
Recovery [%] of Tl(I) and Tl(III) from samples with different excess of Tl(I) over Tl(III). The samples contained 20 ng Tl(III) and an excess of Tl(I) of 5, 10, 50, 100 and 200-fold in 10 mL. The results are presented as a mean value ± SD (n ≥ 3)
| Step | Eluted Tl species | Tl(I):Tl(III) (contribution to the total Tl amount) | ||||||
|---|---|---|---|---|---|---|---|---|
| 100 % : 0 % | 0 % : 100 % | 83 % : 17 % | 91 % : 9 % | 98 % : 2 % | 99 % : 1 % | 99.9 % : 0,1 % | ||
| 5 : 1 | 10 : 1 | 50 : 1 | 100 : 1 | 200 : 1 | ||||
| 3 | Tl(I) | 96 ± 2 % | 2.0 ± 0.6 % | 81 ± 2 % | 86 ± 2 % | 96 ± 2 % | 90 ± 1 % | 41 ± 0.2 % |
| 3A | 3.0 ± 0.4 % | 1.0 ± 0.1 % | 2.0 ± 0.1 % | 3.0 ± 0.3 % | 4.0 ± 0.3 % | 8 ± 1 % | 26 ± 0.1 % | |
| 4 | Tl(III) | < 0,1 % | 96 ± 1 % | 16 ± 3 % | 10 ± 1 % | 1.0 ± 0.5 % | 1.0 ± 0.2 % | 22 ± 0.2 % |
| Total Tl | 99 ± 2 % | 99 ± 1 % | 99 ± 4 % | 99 ± 2 % | 101 ± 2 % | 99 ± 1 % | 89 ± 1 % | |