This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Potassii Sulphas. Potassium Sulphate. K2So4= 173.88. Source. - Add Potassium Carbonate to Acid Potassium Sulphate, which is a bye-product of the manufacture of Nitric Acid. K2Co3+ 2Khs04 = 2K2S04+Co2+H2O.
Hard, colorless, transparent, six-sided, rhombic prisms terminated by pyramids, or a white powder, odorless, and having a somewhat bitter, saline taste. Solubility. - In 9.5 parts of water; insoluble in Alcohol.
Dose, 1/2 to 4 dr.; 2. to 15. gm.