Hardy Schulze Rule
Hardy Schulze Rule
Hardy Schulze rule states that the amount of electrolyte required for the coagulation of a definite amount of a colloidal solution is dependent on the valency of the coagulating ion(i.e.Coagulating ion is the ion which has the charge opposite to the charge of the colloidal particles).Greater the valency of the flocculating or the coagulating ion, the greater its power to facilitate the coagulation.
Coagulation power order of Al3+, Na+ and Ba2+ is Al3+ > Ba2+ > Na+.