Catalytic Combustion of Low Concentration Methane over Catalysts Prepared from Co/Mg-Mn Layered Double Hydroxides

Figure 5

O1s XPS patterns of Co_xMg_6−xMn₂LDO samples: (a) 𝑥 = 1.5, (b) 𝑥 = 3, (c) 𝑥 = 4.5, and (d) 𝑥 = 6.