Contractions. - Ammon. Mur. Am.-m.

Present name. - Ammonic Chloride. Nh4c1.

Sal Ammoniac. For.names: German, Salmiak; French, Hydrochlorate d' Ammoniaque.

To obtain this pure, it is necessary to dissolve the ordinary commercial Salt in distilled water, and re-crystallize. It is usually prepared by sublimation.

Characters and Tests. - In colourless, inodorous crystals; soluble in water and in rectified spirit. Its aqueous solution, when heated with Caustic Potash, evolves Ammonia, and when treated with Nitrate of Silver forms a copious curdy precipitate. When heated it volatilizes without decomposition, and leaves no residue.

Preparation. - Trituration or solution in distilled water for lx, and rectified spirit for 1 and upwards.

Reference to Hom. Proving. - Chr. Kr., ii.

Proper forms for dispensing. - lx to 3, Trituration; or lx, Solution. 1 and upwards, Tincture, Pilules, or Globules.