Figures & data
Figure 1. The relationship between the water content of the deep eutectic phase and the distribution ratios for cadmium and zinc.
Figure 2. The relationship between the water content of the deep eutectic phase and the distribution ratios for copper and cobalt.
Figure 3. The relationship between the water content of the deep eutectic phase and the distribution ratios for iron and manganese.
Table 1. Distribution ratios obtained at 40°C using 30% (v/v) solutions of Aliquat 336 in different dilutents
Figure 4. The relationship between the water content of the deep eutectic phase and the distribution ratios for cadmium, cobalt, copper, iron, manganese and zinc when no attempt is made to maintain a constant chloride concentration.
Figure 5. The relationship between the temperature and the distribution ratios for cadmium, cobalt, copper, iron, manganese, lead and zinc for an extraction from the deep eutectic solvent into a solution of Aliquat 336.
Figure 6. The relationship between the concentration of Aliquat 336 in toluene and the distribution ratios for cadmium, cobalt, copper, iron, manganese, lead, and zinc for an extraction from the deep eutectic solvent.
Figure 7. The relationship between the water content of the lower deep eutectic solvent phase and the distribution ratios for aluminum, iron, manganese, and the lanthanides when the organic phase was a solution of DEHPA in solvent 70.
Figure 8. The relationship between the DEHPA concentration in the upper phase and the distribution ratios for iron, lanthanum, manganese and praseodymium when the organic phase was a solution of DEHPA in solvent 70.
Figure 9. A graph of the distribution ratios of aluminum, iron, manganese, and the lanthanides against the initial sulfuric acid concentration in the aqueous phase.
Scheme 1. Extraction equilibrium for a metal being extracted by DEHPA.
Scheme 2. Extraction equilibrium for iron(III) being extracted by a quaternary ammonium salt such as Aliquat 336.
