What is seltzer water made of?



Chloride of calcium and chloride of magnesium of each 4 grs. Dissolve these in a small quantity of water, and add it to a similar solution of 8 grs. bicarbonate of soda, 20 grs. common salt, and 2 grs. of phosphate of soda. Mix, and add a solution of 1/4 of a gr. of sulphate of iron. Put the mixed solution into a 20-oz. bottle, and fill up with aerated water. But much of the Seltzer water sold is said to be nothing more than simple carbonated water. An imitation of Seltzer water is also made by putting into a stone Seltzer bottle, filled with water, 2 drs. bicarbonate of soda, and 2 drs. of citrate acid in crystals, corking the bottle immediately. Soda powders are sometimes sold as Seltzer powders.





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