Fig. 1. Cadmium and Pb sorption isotherms (I = 0.01 M NaNO3). b is the sorption maximum as determined by the linear form of the Langmuir equation in units of mmol kg-1. Ultisol and Oxisol, R2Pb&Cd = 0.99.
Fig. 1. Cadmium and Pb sorption isotherms (I = 0.01 M NaNO3). b is the sorption maximum as determined by the linear form of the Langmuir equation in units of mmol kg-1. Ultisol and Oxisol, R2Pb&Cd = 0.99.