In Situ Synthesis of a Magnetic Graphene Platform for the Extraction of Benzimidazoles from Food Samples and Analysis by High-Performance Liquid Chromatography

Figure 1

(a) X-ray diffraction (XRD) of graphite, Fe₃O₄, and G-Fe₃O₄, (b) FT-IR spectra of G-Fe₃O₄, (c) thermogravimetric analysis (TGA) of G-Fe₃O₄, and (d) VSM magnetization curves of G-Fe₃O₄.

(a)

(b)

(c)

(d)