Sodii Sulphas. Sodium Sulphate. Na2So4+10H2O= 321.42. Synonym. - Glauber's Salt.

Source

Neutralize with Sodium Carbonate, the residue left in the manufacture of Hydrochloric Acid from Salt. 2NaHso4+ Na2Co3=2Na2So4+ Co2+H2O.

Characters

Large, colorless, transparent monoclinic prisms, odorless, and having a bitter, saline taste, efflorescing on exposure to air, and losing all of their water of crystallization. Solubility. - In 3 parts of water.

Impurities

Ammonium and Iron salts.

Dose, 1 to 8 dr. 4. to 30. gm.