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N,N '-dimethyl-N,N '-dicyclohexylsuccinamide: A novel molecule for the separation and recovery of Pd(II) by liquid-liquid extraction

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Academic year: 2021

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Table 1 summarizes the Pd(II) extraction behavior of several N,N,N ′ ,N ′ -tetrasubstituted diamides with similar structures  (succina-mides, malonamides and thiodiglycolamides) in order to compare the extraction profile of DMDCHSA with others already inves
Fig. 2. Extraction equilibrium isotherm for Pd(II) by 0.05 M DMDCHSA in 1,2-DCE. [Pd (II)] = 2.5 × 10 −3 M.
Fig. 3. Evaluation of the performance of 0.05 M DMDCHSA in 1,2-DCE in successive extraction-stripping cycles
Fig. 4. %E values obtained for binary solutions of Pd (II) + Pt(IV), for ternary solutions of Pd(II) + Pt (IV) + Fe(III), Pd(II) + Pt(IV) + Fe(III) * , Pd(II) + Pt (IV) + Zr(IV), Pd(II) + Pt(IV) + Al(III), Pd(II) + Pt (IV) + Ce(III) and for a solution with
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