Fig. 7

FT-IR spectra of the applied Schiff base in the MCPE (a) before and (b) after interaction with Cu(II) ion in 1.0 × 10−3 mol L−1 solution for one hour at 25 °C.

FT-IR spectra of the applied Schiff base in the MCPE (a) before and (b) after interaction with Cu(II) ion in 1.0 × 10−3 mol L−1 solution for one hour at 25 °C.