Prep. Made by dissolving fifty grains of carbonate of lithia in one fluid ounce of water containing ninety grains of citric acid, by the aid of heat, evaporating the solution till water ceases to escape, and the residue is converted into a viscid liquid. This is dried at a temperature of about 240°, pulverized and kept in a stoppered bottle.

Prop. & Comp. Citrate of lithia is a white amorphous powder, soluble in water; the citric acid is carbonized by heating the salt to redness, and the residue, neutralized with hydrochloric acid, and dissolved in alcohol, burns with a crimson flame. Twenty grains burned at a low red heat with free access of air leave 10.6 grains of white residue (carbonate of lithia).

Therapeutics. The citrate of lithia resembles the carbonate in its action.

Dose. 5 gr. to 10 gr.