Research Article

Biogenic Synthesis of Magnetite Nanoparticles Using Leaf Extract of Thymus schimperi and Their Application for Monocomponent Removal of Chromium and Mercury Ions from Aqueous Solution

Figure 4

XRD pattern of synthesized Fe3O4 NPs in three different ratios of plant extract to precursor salt (a) S21 (2 : 1), (b) S11 (1: 1), and (c) S12 (1 : 2).