Research Article

Magnetite Functionalized Nigella Sativa Seeds for the Uptake of Chromium(VI) and Lead(II) Ions from Synthetic Wastewater

Figure 1

IR spectra of (a) PNS and FNS composites before adsorption, (b) PNS composite before and after adsorption, and (c) FNS composite before and after adsorption of Pb(II) ions and Cr(VI).
(a)
(b)
(c)