Abstract
The behavior of a saturated solute in a system, in which the saturated solute is salted out by unsaturated solutes, is discussed and is almost completely explained by the three phenomena of solubility of saturated solute, solubility product and restriction of solvent in the system. It was confirmed in the whole range of brine concentration that the square of the quantity of solvent is expressed with good accuracy as a linear function of quadratic homogeneous products of (the quantities of saturated solute and of all the unsaturated solutes) and (the quantities of solvent and of all the unsaturated solutes). Among the behaviors of the saturated solutes discussed in this paper, the behaviors of sodium chloride and potassium chloride on the saturated region of calcium sulfate and the behaviors of sodium chloride and potassium chloride in systems which also contain calcium chloride, magnesium chloride and water are of special importance for the salt manufacturing industry using ion-exchange membranes.
