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Table 2 Recovery of Tl(I) and Tl(III) from samples prepared by standard solution

From: A modified method of separating Tl(I) and Tl(III) in aqueous samples using solid phase extraction

Tl species

Tl(I):Tl(III)

1:0 (%)

0:1 (%)

1:1 (%)

10:1 (%)

50:1 (%)

100:1 (%)

Tl(I)

100 ± 2

0.2 ± 0.1

101 ± 4

103 ± 6

99 ± 2

97 ± 6

Tl(III)

0.3 ± 0.03

99 ± 1

98 ± 4

100 ± 0.8

106 ± 2

109 ± 1

Total Tl

100 ± 2

99 ± 1

100 ± 4

102 ± 5

99 ± 1

97 ± 6

  1. The samples, all of 10 mL volume, contain 350 ng Tl(I) (1:0 column), 380 ng Tl(III) (0:1 column), or solutions containing 380 ng Tl(III) and concentrations ratios of 1-, 10-, 50- and 100-fold larger of Tl(I) in 10 mL samples were tested. The results are presented as mean values ± SD (n ≥ 3)