Description and Properties. - Composed of the exsiccated sodium phosphate, sodium bicarbonate, and tartaric and citric acids. It contains sufficient sodium bicarbonate to neutralize the tartaric and citric acids when it is dissolved in water, and the carbonic acid gas liberated gives a pleasant acidulous and effervescent taste.

Dose. - Average dose: 120 grains (8 Gm.l) U. S. P.