Research Article

Selective Synthesis of Manganese/Silicon Complexes in Supercritical Water

Figure 5

Mn 2p, O 1s, and Si 2p XPS spectra of samples prepared by reaction between different aqueous manganese salt (A1: Mn(NO3)2 with silica sand, B1: Mn(NO3)2 with silica sol, B3: MnSO4 with silica sol, B4: Mn(Ac)2 with silica sol, and C4: Mn(Ac)2 with tetraethyl orthosilicate, resp.).
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