Selective Cu(II) Adsorption from Aqueous Solutions Including Cu(II), Co(II), and Ni(II) by Modified Acrylic Acid Grafted PET Film

Figure 2

FTIR spectra of (1) ungrafted PET film, (2) AAc grafted PET film, and (3) KOH treated film AAc grafted PET film. The spectra are split into the two figures at 1900 cm⁻¹.

(a)

(b)