Research Article

Adsorption of Malachite Green Dye from Liquid Phase Using Hydrophilic Thiourea-Modified Poly(acrylonitrile-co-acrylic acid): Kinetic and Isotherm Studies

Figure 3

Zeta potentials of poly(AN-co-AA) (P) and TU-poly(AN-co-AA) (MP) under different pH values.