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The recovery factor (%) of Au(III), Pt(IV), and Pd(II) species from acidic aqueous solutions in PIM process. Source phase: 5.0 × 10 -4 M Au(III), Pt(IV), Pd(II); membrane: 4.0 cm 3 o-NPOE/1.0 g CTA, 0.25 M 1, 2, 3; receiving phase: 0.01 M KI + 0.01 M HCl.

The recovery factor (%) of Au(III), Pt(IV), and Pd(II) species from acidic aqueous solutions in PIM process. Source phase: 5.0 × 10 -4 M Au(III), Pt(IV), Pd(II); membrane: 4.0 cm 3 o-NPOE/1.0 g CTA, 0.25 M 1, 2, 3; receiving phase: 0.01 M KI + 0.01 M HCl.

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Fig. 1. The structures of resorcinarene derivatives used as ion carriers.
Fig. 2. The effect of HCl concentration in the source phase on the...
Fig. 3. The plot of an initial flux versus Au(III) concentration in the...
Fig. 6. The logarithmic dependence of the Au(III) initial fluxes versus...
Fig. 7. The recovery factor (%) of Au(III), Pt(IV), and Pd(II) species...
Effective and selective Au(III) transport accros plasticized membrane with resorcinarene derivatives
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  • Jan 2018
The transport through polymer inclusion membranes (PIMs) was found to be the effective and selective method of Au(III) anions removal from chloride acidic aqueous solutions. The PIMs construction was as follows: cellulose triacetate as the support, resorcinarene derivatives as the ionic carrier, and o-nitrophenyl octyl ether as the plasticizer. The...
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