Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene

<div>Absorption spectra of TEAC-Th(IV) before and after extraction with various solvents: (1) TEAC-Th(IV) in MeOH, 8 × 10<sup>−6</sup> M, and (2a to 2e) TEAC-Th(IV) complexes after extraction from 25 mL of complex solution into 5 mL solvent.</div>

Journal of Chemistry

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Figure 2

Figure 2: Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene 