Fig. 11From: Simultaneous removals of cadmium(II) ions and reactive yellow 4 dye from aqueous solution by bone meal-derived apatite: kinetics, equilibrium and thermodynamic evaluationsIsotherm fits for the uptake of a RY4 dye and b Cd(II) onto BMDA (Initial metal/dye conc, 40–240 mg L−1; pH, 4.5 and 6.0; BMDA dosage, 0.04 g/L; and Temp, 30 °C).Back to article page