Selective Synthesis of Manganese/Silicon Complexes in Supercritical Water
Figure 7
SEM images of samples prepared by reaction between various sources of silica (A: silica sand, B: silica sol, C: tetraethyl orthosilicate) and different aqueous manganese salt (1: Mn(NO3)2, 2: MnCl2, 3: MnSO4, and 4: Mn(Ac)2).
