Potassium Glycerino-phosphate Merck.—50% Solut.

Thick liq.—Sol. in water.—Nerve-tonic.—Uses: Neurasthenia, phosphaturia, convalescence from influenza, etc.—Injection: 3—4 grn. daily, in water containing sodium chloride.

Potassium Hydrate Merck.—C.P.

Caustic Potassa.—Sol. in water, alcohol.—Escharotic, Antacid, Diuretic.—Dose: 1/4—1 grn., highly diluted with water.—Preparation: Solut. (5%).—Antidotes: Vinegar, lemon juice, orange juice, oil, milk; opium if pain; stimulants in depression.

Potassium Hydrate with Lime (Potassa with Lime, U.S.P.).—Powder.

Vienna Caustic; Potassa-lime.—Uses: Extern., cautery, in paste with alcohol.

Potassium Hypophosphite Merck.

Sol. in 0.6 part water, 7.3 parts alcohol.—Dose: 10—30 grn.—Caution: Explodes violently on trituration or heating with any nitrate, chlorate, or other oxidizer.

Potassium Iodide Merck.—C.P.

Sol. in 0.75 part water, 2.5 parts glycerin, 18 parts alcohol.—Incompatibles: Chloral hydrate, tartaric acid, calomel, silver nitrate, potassium chlorate, metallic salts, acids.—Preparation: Oint. (12%).