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Table 1 The SPE procedure for separation of Tl(I) and Tl(III) from environmental aqueous samples

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

Step Reagent Aim
1 5 mL-H2O Cleaning
2 Sample Introduce the sample (retain Tl(III)-DTPA and leaching Tl(I))
2A 10 mL-H2O Elute the co-retained Tl(I)
3 15 mL-HCl + SO2 Elute the Tl(III)