Fig. 6From: Efficient removal of safranin from aqueous solution using a new type of metalated highly self-doped polyaniline nanocompositeEffect of contact time on: (a) Copolymer 6 (2 g/L), and (b) Composite 7 (2 g/L) on % removal of safranine dye at different concentrations, pH = 7.2, 25 °CBack to article page