Potassium Sulphate Merck.—U.S.P.—C.P.

Sol. in 9.5 parts water.—Uses: Constipation, and as antigalactic.—Dose: 20—120 grn., several t. daily, in solut.

Potassium Sulphite Merck.—Pure.

White, opaque cryst., or slightly deliquescent, white powd.—Sol. in 4 parts water, slightly in alcohol.—Antizymotic.—Uses: Acid fermentation of stomach, and gastric ulceration.—Dose: 15—60 grn.

Potassium Tartrate Merck.—Pure.

Soluble Tartar.—Colorl. cryst.—Sol. in 1.4 parts water.—Diuretic, Laxative.—Dose: Diuretic, 15—30 grn., laxative, 1—3 drams.

Potassium Tellurate Merck.—C.P.

White cryst.—Sol. in water.—Antihidrotic.—Uses: Night-sweats of phthisis.—Dose: 1/2—3/4 grn., at night, in pills or alcoholic julep.

Potassium and Sodium Tartrate Merck.—U.S.P.—C.P.

Rochelle, or Seignette, Salt.—Dose: 2—8 drams.—Preparation: Seidlitz Powder.