Fig. 2From: Modeling and equilibrium studies on the recovery of praseodymium (III), dysprosium (III) and yttrium (III) using acidic cation exchange resinFT-IR spectra of, a Dowex 50WX8, b Dowex -Dy, c Dowex -Pr, d Dowex -Y for sorption of rare earth metal ions from nitrate mediumBack to article page