Fig. 4: V(V) recovery from mixed-metal aqueous solutions.
From: A molecular extraction process for vanadium based on tandem selective complexation and precipitation
a Control experiment of H2CIDIII in the recovery of several metal ions from aqueous solutions. Qualitatively, color change of solutions depict complexation. Precipitation of solely the V sample is observed. In each case, 0.01 g of H2CIDIII was exposed to 1 mg l−1 respective metal solutions for 12 h at 25 °C. b Quantitatively, extraction performances of H2CIDIII for various metals from simulated mixed solutions containing V(V) and excess Fe(III), Cr(III), Cu(II), Ni(II), and Zn(II). Source data for (b) are provided as a Source Data file.
