Synthesis and Characterization of Nanosized Fe₂O₃ Pigments

Figure 6

Diffuse reflectance spectra of α-Fe₂O₃ prepared by microemulsion method using (▸) 0.2 M, (□) 0.4 M, and (♦) 0.6 M concentrations of Fe₂(SO₄)₃ and calcined at 700°C.