Figure 1.
X-ray photoelectron spectra of iron(+3)–manganese-promoted sulfated zirconia.
Notes: (A) O2− (1s); (B) Zr4+ (3d5/2); (C) Fe3+ (S 2p); (D) for Fe(111) (2p3/2, 2p1/2); and (E) Mn4+ (2p3/2, 2p1/2).
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