Derivation

"Take of water 80 pints. Distill two pints, using a tin or glass condenser, and throw them away; then distill 64 pints, and keep them in glass bottles." - U.S.D.

Properties

Distilled water has a vapid, and by no means pleasant taste, and is only perfectly pure when the vessel used in the distillation is of silver. It should evaporate without residue.

Therapeutic Uses

It is very essential in the preparation of some formulae, and of no use whatever in others, as the common pure water will answer. Such agents as tartar emetic, nitrate of silver, corrosive sublimate, chlorides of calcium, barium, acetate and subacetate of lead, permanganate of potassa, the sulphates of iron and zinc, sulphate of quinia, the salts of morphia, and all the alkaloids and their salts, require, when given in solution, distilled water.

Dental Uses

Distilled water is required in the preparation of many formulae for use in dental practice.