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Table 1 Selected properties of the synthetic manganese oxides

From: Decolorization of RhB dye by manganese oxides: effect of crystal type and solution pH

Samples BET surface area (m2/g) Mn AOS PZC
α-MnO2 83.5 3.89 4.7
β-MnO2 27.9 3.96 3.8
δ-MnO2 40.1 3.71 3.4