COMPARATIVE COST OF SOAPS AS WATER SOFTENERS. A FRESHMAN EXPEIiIMENT IN CHEMISTRY* 0.E. LOWMAN, IOWASTATECOLLEGE.Auks, IOWA
The object of this experiment i s to determine the comparatiue cost of different brands of soaps as wateter softeners by measuring the soap-consuming pmver of the waters tested. Directions are &en for making up alcoholic solutions of the d
