Table 3: Langmuir, Freundlich, and Temkin constants for the adsorption of Pb(II) unto PRH.

MetalLangmuirFreundlichTemkin

Pb2+ (mg/g) (L/mg) (mg/g) (dm3/g   L/mg
138.890.6990.01410.990.591.023.880.803.3892.1426.890.916