This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Properties : Potassium bitartrate occurs as a colorless or slightly opaque or white, somewhat gritty, powder, odorless and having a pleasant acidulous taste. It is slightly soluble in water (1:200) and nearly insoluble in alcohol.
Action and Uses: Potassium bitartrate is diuretic and aperient. It is used chiefly in combination with jalap as a hydragogue cathartic. See Pulvis Jalapae Compositus under Jalap.
Dosage: 2 gm. or 30 grains. Preferably administered in the form of a powder or as a "shake" mixture.