Figure 1
From: Addition of MnO2 in synthesis of nano-rod erdite promoted tetracycline adsorption

SEM images of erdite particles synthesised at Mn/Fe molar ratios of (A) 0, (B) 0.05 and (C) 0.2.
From: Addition of MnO2 in synthesis of nano-rod erdite promoted tetracycline adsorption

SEM images of erdite particles synthesised at Mn/Fe molar ratios of (A) 0, (B) 0.05 and (C) 0.2.