Hydrated Lime used IN GREASE,LEMON ACID,POLLUTED WATER TREATMENT,LEATHER,WASTE GAS TREATMENT Hydrated limePhysical and chemical charactersFine white powder,specific gravity 2 ... air.Dissolvable in acid and glycerin,difficult to dissolve in water,undissolvable in ethanol.Specification GradeCaO(%)Impurity( % )CO 2 (%)Remains ... 2ppm: As2O3: 3.7 ppm,HUMIDITY ; 0.36%PURPOSE: River water PH adjustment.