Fig. 1. Fit of the constant capacitance model to B adsorption on Holtville soil: (a) isotherm; (b) envelope. Circles represent experimental data. Model fits are represented by solid lines.
Fig. 2. Fit of the constant capacitance model to B adsorption on Reagan soil: (a) isotherm; (b) envelope. Circles represent experimental data. Model fits are represented by solid lines.