Figure 4From: Hollow Sodium Tungsten Bronze (Na0.15WO3) Nanospheres: Preparation, Characterization, and Their Adsorption PropertiesAdsorption abilities of the hollow and solid Na0.15WO3nanospheres to Coomassie Brilliant blue.Y axis is the percentage of Coomassie Brilliant blue adsorbed at the corresponding incubation timeBack to article page