Microwave-Assisted Digestion of Polyurethane Foam as an Alternative to Elution: Solid Phase Extraction of Cd(II) and Pb(II) for Their Determination in Swimming Pool Waters

<div>Influence of the sorbent mass on the extraction efficiency of (■) Cd and (○) Pb by polyurethane foam. Concentration of Cd = 0.1 mg·L<sup>−1</sup>, concentration of Pb = 0.5 mg·L<sup>−1</sup>, pH = 7.0, APDC concentration = 0.5% (m/v), and shaking time = 30 min.</div>

Journal of Analytical Methods in Chemistry

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Figure 7

Figure 7: Microwave-Assisted Digestion of Polyurethane Foam as an Alternative to Elution: Solid Phase Extraction of Cd(II) and Pb(II) for Their Determination in Swimming Pool Waters 

Figure 7 | Microwave-Assisted Digestion of Polyurethane Foam as an Alternative to Elution: Solid Phase Extraction of Cd(II) and Pb(II) for Their Determination in Swimming Pool Waters 