Application of Temperature Programmed Oxidation-Infrared Technique in the Analysis of Sulfur Occurrence and Genesis in Phosphate Rock

Figure 3

TPO-IR curve of sulfur species with known structures: (a) ZnS; (b) CoS; (c) Cu₂S; (d) MgSO₄·7H₂O; (e) MnSO₄; (f) NiSO₄·6H₂O; (g) FeSO₄·7H₂O; (h) (NH₄)2S₂O₈; (i) C₁₈H₂₉NaO₃S.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)