Fig. 1From: Adsorption of aliphatic polyhydroxy carboxylic acids on gibbsite: pH dependency and importance of adsorbate structureKinetics of d-gluconic acid adsorption onto gibbsite at pH 9 in 5 mmol L−1 NaClO4 solution. Data points: experimental values, solid line: two-stage kinetic model (TSKM), model fit: r2: 0.931, X2/DOF: 0.041Back to article page