Table 3 The recovery of Tl(I) and Tl(III) from samples at different pH
From: A modified method of separating Tl(I) and Tl(III) in aqueous samples using solid phase extraction
pH | Tl(I), % | Tl(III), % | Total Tl, % |
|---|---|---|---|
pH = 1 | 102 ± 1 | 100 ± 6 | 101 ± 3 |
pH = 2 | 98 ± 6 | 104 ± 6 | 101 ± 6 |
pH = 3 | 97 ± 3 | 101 ± 2 | 99 ± 2 |
pH = 4 | 95 ± 4 | 98 ± 0.8 | 97 ± 2 |
pH = 5 | 97 ± 3 | 99 ± 0.3 | 98 ± 2 |
pH = 6 | 97 ± 2 | 101 ± 2 | 99 ± 2 |
pH = 7 | 97 ± 0.2 | 103 ± 3 | 100 ± 2 |