Figure 5
From: The application of THz-TDS in the characterization of Bayan Obo magnetite ore composition

Absorption coefficient and refractive index of mixed reagent samples. (a) Absorption coefficient of FeS2-Fe3O4 samples. (b) Absorption coefficient of Fe2O3-Fe3O4 samples. (c) Absorption coefficient of FeS2-Fe2O3-Fe3O4 samples. (d) Refractive index of FeS2-Fe3O4 samples. (e) Refractive index of Fe2O3-Fe3O4 samples. (f) Refractive index of FeS2-Fe2O3-Fe3O4 samples.